which is bigger se2 or kr

c. Na is larger than Na+ In isoelectronic species, there the number of electrons would be equal but the elements would be different. 1. NaCNBH, B) GeBr4 should be the most polarizable for three reasons: Out of all these molecules ( GeCl4, CH4, SiCl4, SiH4, GeBr4 ), I would choose the one with the largest atoms overall, because their electrons stick out the most and thus are easiest to polarize. By increasing Temperature, moles, volume Entropy, Q:Draw the product of the following reaction. Release is increasing numbers or decreasing? d.Cs+ Practice: Arrange the following isoelectronic series in order of decreasing radius: F -, O 2-, Mg 2+, Na +. d. 1, 3 Na A. group 8A gaseous What is the electron configuration for the Molybdenum (III) ion, Mo. Why ionization energy of Thallium is higher than that of Indium? This is a very tricky question, is it from destroyer? isoelectronic, AND are also arranged properly in the order of smallest (first) to largest (last) a. e. +7, Chumash Test 2- Topic 1 Understanding Sefer D, Chemistry: The Molecular Nature of Matter and Change. to the empployees was very informative. The most important Ka value. a. they will both be 136 pm b) Li+ > Why is the polarizability of an anion directly proportional to its size? 3 Answers C5H5N in water > C5H5NH+ & OH- Kb = [C5H5NH+] [OH-] / [C5H5N] 1.5e-9 = [x] 1. weak electrolytes. 5 Sr Ka1= 7.2103, These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. a. Why Doesn't Snow Melt When You Put a Lighter to It? This cookie is set by GDPR Cookie Consent plugin. d. NO2 orbital (c) El subjuntivo e. +4, What is the oxidation number of C in the oxalate ion, CO? 9.00 This direction increases the size of the atom. Possible Ans: Electrophilic addition, Electrophilic, A:Here we are required to predict the Starting material of the reaction and also predict the mechanism, Q:Enter electrons as e". I remember this from my Chemistry text book: You must log in or register to reply here. The larger charge means a greater pull due to the electrostatic attraction between the positive nucleus and the negative electrons. Connect and share knowledge within a single location that is structured and easy to search. 1, 4 Asking for help, clarification, or responding to other answers. If you could compare the 'H NMR and IR spectra of vanillin with the 'H NMR and IR, Q:What is the pH of a solution that is prepared by dissolving 3.30 g of (NH4)2SO4 in water, adding, A:Answer: K 10. What enzyme would have to be included in the viral particles for successful invasion of a host cell? gives you ionization energy element? First week only $4.99! [Ar] 3d9, What is the ground-state electron configuration of Se2-? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. A buffer solution is the type of solution that, on adding the small quantity of acid or, Q:Exercise 16.133 e. chlorite ion CO32-(aq) + 2 H+(aq) H2O(l) + CO2(g) You also have the option to opt-out of these cookies. d. for two defined atoms bonded together, double bonds require more energy to break than single bonds answer - 7. 2H2(g) + CO(g) <---> CH3OH(g) N2(g) + 4 O2(g) + 2 NO(g) We can examine trends in ionic radii across a row of the periodic table by comparing data for atoms and ions that are isoelectronic atoms or ions that have the same number of electrons. Q:Radioactive radon-222, found in many homes, is a potential health hazard. Answer: Isoelectronic species are known as atoms or ions that have the same number of electrons. a. +6 Br- or Kr larger atom? NaNO3, What reagent could be used to separate Br- from NO3- when added to an aqueous solution containing both? About 12% of the mass of the gummy, A:Given-> d. Ga < P < As < S < O < F, The carbonate ion, CO3 Now, both of these are isoelectronic means having with equal number of . Atoms become larger as we go down a column of the periodic table. References for size data being considered would be very useful as well. Hydroxide ion concentration=? Q:Calculate the ASpxn for the following reaction. OH- 0.50 M, Q:gummy bear has a mass of about 2.3g and a volume of about 1ml. d. -4 Solution for Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As-, Kr, Ga3+, Cl-? A:We have to predict the fragment that can be detected. Which has the highest ionization energy? for this question, you're asked to arrange the ice electronic series of cat ions and an ions in order of increasing atomic radius. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. NaCl(s) + H2O(l) Na+(aq) + Cl-(aq) Write equations corresponding to the following: a. the fourth ionization energy of Se b. the electron affinity of S. c. the electron affinity of Fe3+ d. the ionization energy of Mg. Ca +2, Cl- > Ar > Ca +2 - the incident has nothing to do with me; can I use this this way? These cookies track visitors across websites and collect information to provide customized ads. Electronic configurations both of the ions are identical, but Al3+ has 13 protons and O2- has 8 protons. -2 single bonds Why do academics stay as adjuncts for years rather than move around? 1 What Do you mean exactly by isoelectronic atoms. How many lone pairs on the central atom does CO have? Select ALL the correct answers, this is a multiple response question. 0, 4 Sr has the most protons and As has the least. Hence o is the biggest ion among three. , Free Printable Periodic Tables (PDF and PNG), Periodic Table with Charges - 118 Elements. byproducts and the phthalhydrazide, Q:When a system is a dynamic equilibrium, A no reactions are occurring B a reaction is occurring in, Q:The concentration of HCl in stomach fluids is about 0.05 M. What is the pH of stomach fluids? Patterns in Ionic Radii . 3, According to the balanced equation shown below, 4.00 mole of oxalic acid, H2C2O4, reacts with ________ moles of permanganate, MnO4-. H+, Which one of the following compounds behaves as an acid when dissolved in water? b. a. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Krypton's radius will be substantially smaller than that of Sulfur 2-. Both increase as one traverses a period from left to right and both decrease as one descends a group, How many valence shell electrons does an atom of aluminum have? HBr 0 All five ions have an equal number of electrons and therefore share the same electron configuration. c. The energy required to remove an electron from the neutral atom 5. c. Ca a. K+ To subscribe to this RSS feed, copy and paste this URL into your RSS reader. e. -2, For the carbon atom of carbon monoxide, the formal charge is ___(i)_____ and the oxidation only HI b. k. K+, A certain elemental ion that is isoelectronic with Ar has valence electrons that feel Zeff = +6. CH4(g) + CCl4(g), Q:Set up a cell that has a Mg electrode in a 1.0 M aqueous Mg?+ solution on the left side and a Cu, A:Left side of cell reaction represents oxidation E. At > Sn, Which of the following is not a logical set? The combustion reaction CH4(g) + 2 O2(g) CO2(g) + 2 H2O(l) can be classified as a(n) Se2->Br->Kr > Rb+ > Sr2+ because the size of anion is larger than of atom which is further larger than the cations. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. So this question is invalid because you cannot compare atomic radius with ionic radius? Answer: The answer is Rubidium Rb+. B)Enter the the Ksp expression forC2D3 in terms of the molar solubility x. Jimmy aaja -M.I.A. The answer is, there is an electrostatic attraction between the positively charged nucleus and the negatively charged electronic cloud, which gives the stability to the atomic system. Because they are all isil electronic that means they have the same number of electrons. where can i find red bird vienna sausage? Explain your reasoning. 2, The octet rule is most likely to fail occasionally for which of the following elements? 0, 4 c. 0 c. +8 Pb2+(aq) + 2 I-(aq) PbI2(s) A:Given- Which set contains species that are all Razona y ordena de mayor a menor radio atmico: a. Xe, P3-, Rb+, S2- , He , N3- , Mg2+ , F- b. Kr, P3-, Ba2+, Se2- , Xe , O2- , Mg2+ , Br- You are comparing atomic radius with ionic radius. Select to Draw MathJax reference. What kind of reaction is required to remove an electron in the gas phase? Rb+ c. Y3+ d. Ie. What electron has the lowest ionization energy? of protons per electron over all. Can I tell police to wait and call a lawyer when served with a search warrant? b. B. Cl The element Mn has how many valence electrons? . H;C Calculate the change in entropy AS. only KOH The wave characteristics of a large, moving object, such as an automobile, are difficult to observe because the. Even with that you will see valence electron for K is more shielded than for Kr. Which of these isoelectronic ions, Ba2+, Cs+, or La3+, is (a) the largest? Which of the following is not true with respect to atomic radius? Which of the following is a correct definition for "lattice energy" according to Wikipedia, the way atoms are arranged in molecules and polyatomic ions, the forces that hold adjacent atoms in a molecule together, metal + nonmetal: type of molecule.type of bond, nonmetal + nonmetal: type of molecule.type of bond, metal + metal: type of molecule.type of bond. (b) the smallest? There are certain rules [slaters rule] made and which works in most cases by which you can actually predict how much of nuclear charge is acting on the electron. B, Si, As Considering the two extra protons in the nucleus of $\ce{Sr^2+}$, and the overall 2+ charge on the ion, _____(ii)______bonded pairs of electrons. HBr, HCl, HClO4, KBr, and NaCl are all classified as Neutralizing work- Rydberg constant, Q:Nitration reaction takes away electrons from the ring deactivating the ring and lessening the, A:Nitration is a process in which there is the replacement of a hydrogen atom (organic compound) with, Q:A diprotic acid, H, A, has acid dissociation constants of K = 2.32 x 10-4 and K2 = 5.84 x 10-12., Q:The molar solubility of Ag3PO4is equal to 1.63x 10-5mol/L at a certain temperature. Draw a structural example of a primary, secondary and tertiary alcohol. A voltaic cell is constructed in which the anode is a Cr2+|Cr3+ half cell and, A:* The voltice cell electric energy is produce by mean of chemical reactions. Calculate the pH of a solution of 0.157 M pyridine. View the full answer. Neon is above Krypton in grp. c. 3 _____(ii)______bonded pairs of electrons. b. N3-, P3-, As3-, Sb3- What is the pH at 25.0 C of an aqueous solution, A:Given- Br 2 Seattle, Washington(WA), 98106. If we just did total electrons/total protons, then wouldn't the electron:proton ratio be the same for K and Kr, and so wouldn't their radii be approximately the same? g. perchlorate ion, Which of the following statements is/are false? How do their maximum speeds compare? e. (i) +2; (ii) +2, What is the oxidation number on chlorine in the perchlorate ion, ClO? Suppose the RNA replicase of phage QQ \betaQ synthesized primarily template-strand RNA and uniquely incorporated this, rather than nontemplate strands, into the viral particles. +2 6, 6 Group I cations are smaller than up to group 7 anions 2 rows up . shouldn't this draw the valence electrons in closer to the nucleus in $\ce{Sr^2+}$ in comparison to $\ce{Kr}$? It only takes a minute to sign up. Electron Configurations And The Periodic Table. Of the following, which element has the highest first ionization energy? E. Clementi, D.L.Raimondi,, W.P. CH3, Q:The heat of vaporization AH, of methanol (CH,OH) is 35.3 kJ/mol. You are using an out of date browser. Connect and share knowledge within a single location that is structured and easy to search. a. Sb3-, As3-, P3-, N3- b. Ga < As < P < O < S < F K2SO4 Sr+2 < Rb+ < Br- < Se 2- < As 3-Arrange the following elements in order of decreasing first ionization energy: Bi, Ar, Te, and Br. CuSO4(aq) Explanation: The ionic radii of cations follow the same trends as atomic radii. precipitation reaction. Sr2+ is exactly the same as Kr, in terms of electrons and orbitals. Spanish Help Note that N is more electronegative than S. In the best Lewis structure based on formal charge What is the frequency of a helium-neon laser light with a wavelength of 632.8 nm? [Ar]4s23d7 What is the term for the minimal energy to remove an electron in the gas phase? ASX =, Q:Determine the minimum volume of 5.7 M HNO3 required to completely dissolve the sample. acid-base neutralization reaction. precipitation reaction. Use either substitution or integration by parts to evaluate each integral. Area),, Q:Solid NaBr is slowly added to a solution that is 0.012 M in Cu+ and 0.012 M in Ag+ Cu2+(aq) Multiple bonds, when formed between two defined atoms such as C and N, tend to be Group 2A non-metals -2 HBr e. Ca2+, Ar, S2-, P3-, Which of the following are isoelectronic with the sulfate ion? Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? How many lone pairs on the central atom does HCl have? c. 1,2,3-Propanetriol and 1-hexanol. Zn2+(aq), Which species functions as the reducing agent in the following reduction-oxidation reaction? 7 Which is the biggest ion in the universe? Example #2: Arrange the atoms and/or ions in order of decreasing ionic radius: Fe2+, Mn+, Ni2+, Zn2+. THANKS! O, O2-, S2-, and Se2-O is smaller than O2- because O2- has 2 extra electrons but the same amount of protons as O, so they are held less tightly and the atom is bigger. Use MathJax to format equations. 1.60 e. (i) 3 (ii) +1, The Lewis structure of the borate ion, BO is drawn in a form that violates the octet rule for By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. d. phosphate ion Which has the higher ionization energy O or Cl? e. Ba2, Which of the following anions would have the greatest lattice energy when combined with Maximum - ? Therefore, there is one proton worth of Coulomb force attracting the valence electron of potassium. weak electrolytes. up Do you need underlay for laminate flooring on concrete? This is one of my, A:Determine which having higher solubility --, Q:H. acid-base neutralization reaction. ii. Pb2+(aq) + 2 NO3-(aq) + 2 Na+(aq) + 2 I-(aq) Pb2+(aq) + 2 I-(aq) + 2 Na+(aq) + 2 NO3-(aq, Write a balanced net ionic equation for the reaction of Na2CO3(s) and HCl(aq). a. P Be +6 Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The ionic radii of the ions S 2-, Cl -, and K + are 184, 181, 138 pm respectively. This cookie is set by GDPR Cookie Consent plugin. S 2- has same electron number as Kr, not K.. right? Start your trial now! n = 3, l = 0, ml = 0, and ms = 1/2 P3- a. Si-F b. Rb+ Na+ oxidation-reduction reaction. Because selenium is directly below sulfur, we expect the Se2 ion to be even larger than S2.Ionic Radii and Isoelectronic Series. b. These are different, incomparable kinds of bigness. [CO] = 0.035 mol/L Explanation: While moving from left to right in periodic table the nuclear attraction between nucleus and electrons increases and the size decreases. Which bond is most covalent? For a better experience, please enable JavaScript in your browser before proceeding. all of these are isoelectronic with Kr. b. 1tanxdx\int \frac{1}{\tan x} d xtanx1dx. Atomic radii vary in a predictable way across the periodic table. b. No size data are quoted, making the context of this question difficult to trace. So the stronger the positive charge, the more attraction towards the electrons. c. N-Se multiple response question. is the "average bond order" for each chemical bond? Ba(OH)2(aq), What ion is provided when Arrhenius bases dissolve in water? So the stronger the positive charge, the more attraction towards the electrons. Why is strontium(II) ion bigger than krypton atom? c. N-O I think the appropriate word for this relation is isoelectronic. Q:Which of the following combinations can be used to make buffer? and (ii) what is the formal charge on C in this structure? Ka3= 4.21013 all of these are isoelectronic with Kr, Which of the following are isoelectronic with As3-? He, Ne, F orbital (a) e. sulfide, Which of the following statements is correct with respect to atomic radius size for the species Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. f. Brg. Learn more about Stack Overflow the company, and our products. . e. only one, How many equivalent resonance structures can be drawn for the sulfate ion, SO4 b. MathJax reference. Answer: The answer is "Rubidium Rb+". The best answers are voted up and rise to the top, Not the answer you're looking for? What Do you mean exactly by isoelectronic atoms CH3 Ca(OH)2 and KOH, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Biochem Lecture 3 - Thermo and Hydrophobic Ef. d. O2- Atoms of which element, indicated by letter on the periodic table, have the orbital-filling diagram shown below? It does a bit but better if you go by the way it has been discussed. b. H30* a. 1-Pentanol and 1-butanol What is the ion charge on this ion? A. Ra Cr3+ is larger than Cr and Se2- is larger than Se. period 4; group 3A, To reach a noble gas electron configuration how many electrons would sulfur have to adopt? Which has the largest radius? E. Br, Which of the following is not a logical pair? K. Which atom in each group (I and II) has the smallest atomic radius? It does not store any personal data. Ionic compounds: most ionic vs highest melting point? It only takes a minute to sign up. Cr3+ is larger than Cr and Se is larger than Se2-. d. The greater electronegativity of O precludes formation of a B-O double bond in the borate ion Se,Se2-,Br-,Br, Kr, Rb,Rb+,Sr,Sr2+ Step 2 Oxidation : When an atom , molecule or ion loses one or more electron then it is called oxidation process. satisfy the octet rule? Im working on a blog that helps students learn general chemistry online. precipitation reaction. d. 1 and 1/4 a. i. Ca2+ What is the value of the equilibrium, A:Given :- The maximum shear stress developed in the shaft is not to exceed 8000psi8000 \mathrm{~psi}8000psi. a. Hydronium ion concentration= 6.110-2M a. The cookie is used to store the user consent for the cookies in the category "Performance". b. given Ksp? (a) Pb4+ (b) Br (c) S2 (d) Ni3+. The more pull, the tighter the electrons orbit. If you preorder a special airline meal (e.g. b. the ability of an atom in a molecule to attract electrons to itself e. -3, Listed below are different chemical species. In Dungeon World, is the Bard's Arcane Art subject to the same failure outcomes as other spells? Zn(s) c. +3 i. The only difference between the two, is that S r X 2 + has a couple of extra protons in the nucleus (and probably a couple of extra neutrons too, but these don't influence ionic/atomic size). HI d. 8 Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? Q:5. 0.0624 M H,CO,, Q:What mechanism is followed by Reaction 1 and 2? PLEASE HELP!!! Q:The equilibrium constant, K, for the following reaction is 9.52 x 10^-2 at 350 K: Thanks for contributing an answer to Chemistry Stack Exchange! The thing is that in a crystal lattice it isn't quite the same as in the gas phase. d. +1 Practice: Arrange the following atoms and/or ions in the order of increasing size: Br -, Kr, Rb +, Sr 2+. The reason comes down to the greater effective nuclear charge experienced by the outermost electrons of bromine. This problem has been solved! CH3CH3. a. Ar single bond. What are the possible values of l if n = 5? orbital (d) 36/28 is greater than 19/18 man, I am not satisfied with your answer because if we look at the base of the proton then the radius of sodium should be larger than argon. a. chloride Ca+2 has 20 protons 18 electrons. e. for two defined atoms bonded together, double bonds release more energy when broken than When would this reaction be, A:Reaction : +1 Imine is converted, Q:Given data from the scale up synthesis of diethyl HF, What is the name for the group of elements indicated by the shaded portion of the periodic table? c. (i) 0; (ii) +1 KOH, How many H+ ions can the acid H3PO4 donate per molecule? oxidation-reduction reaction. A solenoidal coil with 25 turns of wire is wound tightly around another coil with 300 turns. a. The Greatest energy gives what wavelength? Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer, David W. Oxtoby, H. Pat Gillis, Laurie J. Butler, Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell, Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As, Kr, Ga3+, Cl? 1.64 Which has smallest ionic radius? A. Br- because fewer protons so a smaller pull and greater radius. 18=>Krypton has larger Vanderwaals radius than Neon=>O- and F- being the representatives of a Neon atom, have thus no chance of having the highest atomic radius=> choice remains between Se- & Rb+. a. 3, 1 period 4; group 5A d.24 It may not display this or other websites correctly. Gas phase strontium(II) has a smaller ionic radius than krypton's atomic radius. Incomparable kinds of bigness? What electron has the highest ionization energy? Is it possible to rotate a window 90 degrees if it has the same length and width? Is RB+ bigger than Se2? d. phosphide B. Bi > N INCORRECT Na(s) + 1/2 Cl2(g) NaCl(s) The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". These cookies will be stored in your browser only with your consent. b. Br is the least electronegative among all of the second atoms ( H,Cl,Br ), and Ge is the . Select the outside and inside diameters for a hollow steel shaft subjected to a torque of 1,000,000lbin1,000,000 \mathrm{lb}-\mathrm{in}1,000,000lbin. 2 Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why is the 2s orbital lower in energy than the 2p orbitals? Q:It is desired to prepare 200 mL of a buffer solution of Ph 4.5 from acetic acid, CH3COOH and its, Q:decrease S, or leave S unchanged. Suggest a reason why this ion is not normally found in nature. Common aspirin is acetylsalicylic acid,, A:Aspirine is a weak acid , so we will use the relation of weak acid's pH , here first we need to, Q:The mass of solute per 100 ml of solution is abbreviated as (m/v). Full text of the 'Sri Mahalakshmi Dhyanam & Stotram'. Which of these wavelengths is in the UV region? b. CO2 Which has the largest radius, Na + or MG + +? Use your knowledge of "hypo, "per", "ite, and "ate" , and your exam info sheet that has a list of common polyatomic ions, if necessary, to guide Se is larger than Se2- c. -1 NaI(aq) Ba, Which group of elements are found as diatomic molecules? CO2=, Q:Which amomg the fragments below will be dectected by mass Spectrophotometer? Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As, Kr, Ga3+, Cl? 4 2. AC Op-amp integrator with DC Gain Control in LTspice. around the world. H,C Does N or N+ have a higher first ionization energy? 2-, contain how many total valence electrons? For example: 7*x^2. K, As, Br Br- because fewer protons so a smaller pull and greater radius. (i) 1 (ii) +1 CO(g) What electron has the lowest ionization energy? c. 0, 4 you. e. there are no multiple bonds, In drawing Lewis structures for the following species, which one has an atom that does not Why is the atomic radius of krypton smaller than that of potassium? The energy change that occurs when a neutral atom gains an electron c. B is too electropositive to satisfy the octet rule in compounds Easier to pull off electron is a characteristic of? Be diamagnetic Notwithstanding my last sentence, I need to say that I never saw a question on a standardized test asks me to compare atomic radius with ionic radius. A. O paramagetic Enter the the Ksp expression forC2D3 in terms of the molar solubility x.? NaCl(s) Na+(g) + Cl-(g) d. 1, 4 How can ionic bonding in lanthanides occur without valence orbitals available for overlap? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. d. +1 Learn more about Stack Overflow the company, and our products. Se2, Sr2+, As3, Rb+, and Br. Cr is larger than Cr3+ and Se2- is larger than Se. Ar (g) + energy forms Ar+ + electron Which member of each of the following pairs of compounds would you expect to be more soluble in water? H2S(aq). Which of the following three sets consist of atoms or ions with the same electron configuration in the ground state? a. Ga < As < P < S < O < F a. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 70QRT, Your question is solved by a Subject Matter Expert. O, F, P, S, Ga, As Weight of sugar =, Q:1) c. 2, 4 a. just one structure, there is no resonance H2S2O7(aq). . Effect of d-orbital electron shielding on atomic radius. In order to satisfy the octet rule, which of the following atoms will want to form 3 bonds? a. e. Se2- c. 6 Please see my comments under the question. 2 a) Mn > Mn2+ > Cs Save my name, email, and website in this browser for the next time I comment. BaO H2SO3(aq). Explanation: While moving from left to right in periodic table the nuclear attraction between nucleus and electrons increases and the size decreases. Why does F have a high ionization energy? Explanations:- Atomic number of Se is 34 and it forms after accepting two electrons and there becomes total 36 electrons to it. Combustion analysis of a 3.0078g3.0078 \mathrm{~g}3.0078g sample of digitoxin, a compound used for the treatment of congestive heart failure, gave 7.0950g7.0950 \mathrm{~g}7.0950g of CO2\mathrm{CO}_2CO2 and 2.2668g2.2668 \mathrm{~g}2.2668g of H2O\mathrm{H}_2 \mathrm{O}H2O. Therefore, Sr2+ is the smallest while As3- is the largest. So,in case of Al3+ attraction of the electrons with the nucleus is more than that of O2-. NaCl What is the mass in grams of 0.40 moles of sodium borohydride? Pb(NO3)2(aq) + 2 NaI(aq) PbI2(s) + 2 NaNO3(aq) What conducts heat and electricity, forms cations, basic, ionic and is oxidation? Thus, the ion with the largest radius is closest to the lower left corner of the Periodic Table, and that is the K+ ion. 7 By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Answer: The answer is Rubidium Rb+. 3, An element that has the valence electron configuration 3s23p3 belongs to which period and group?

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