Which of the following radii comparisons is
incorrect?
A) Sr²⁺ < Sr
B) Br⁻ < Br
C) Fe³⁺ < Fe²⁺
D) Se²⁻ > Se
E) Sn²⁺ > Sn⁴⁺
Which of the following radii comparisons is incorrect? A) Sr²⁺ < Sr B) Br⁻ < Br...
Version 1 11) Which of the following species would be paramagnetic? A) Fest B) Sr C) 02 D) Mg E) Zn 12) Place the following in order of increasing radius. Sre Se? Br A) Br <Sr? <Se B) Sr- <Set- <Br C) Se?- < Br<Sr? D) Br <Set- <Sr E) Sr* <Br <Se? 13) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction: 2 HAO-(I) - 2 HAOI) +O:(g) AH = -196 kg Calculate the...
Which of the lists of increasing ionic radii is not correct? A) CI- < Br</ B) A13+ < Mg2+ < Nat C) Ca2+ < Sr2+ < Ba2+ D) S2- < Cl- <Kt E) Na* <02- <N3- ОА OB Ос OD OE
Arrange each set of atoms in order of increasing first ionization energy, IE1. (a) Sr, Ca, Ba Sr ООО ова (b) Br, Rb, Se ООО ООО (c) cs, I, AI СО ООО (d) As, Sb, Sn С СО ООО О СО
(a) Which of the following atoms or ions is diamagnetic? Cr Br Mn2+ B C4+ (b) Which of the following atoms or ions is paramagnetic? C4- S4+ V4+ Se2- Ge4+ (c) Which one of the following elements has a +2 ion with 1 unpaired electron? Se Mg N V Fe (d) Use periodic trends and predict which of the following elements has the smallest first ionization energy. Na F K P (e) Use periodic trends and predict which of the...
Which ionization process requires most energy? A) Br^+ (g) rightarrow Br^2+ (g) + e^- B) Se^+ (g) rightarrow Se^2+ (g) + e^- C) Br(g) rightarrow Br^+ (g) + e^- D) Se(g) rightarrow Se^+(g) + e^-
From equation E=kQ1Q2/d and the ionic radii given in the figure , calculate the potential energy of the following pairs of ions. Assume that the ions are separated bya distance equal to the sum of their ionic radii.1) Na+, Br-2) Rb+, Br-3) Sr^2+, S^2-Answer will be in Js.
Which of the following electron configurations is incorrect? Question 13 of 15 Which of the following electron configurations is incorrect? A) Ca [Ar]452 B) Mn [Ar]4524d C) Cu [Ar]48'3d0 D) Ga [Ar]4s3d04p E) Br [Ar]4s3d04p e
10. Which one of the following correctly arranges electron affinity (EA) in increasing order from smallest to highest: A) Sr Rb <Sb <Sn<Te B) Rb Sr < Sn Sb <Te C) Rb Sr <Sb <Sn<Te D) Sr Rb <Sn Sb <Te E) Te <Sb <Sn<Sr <Rb 15. Which pair of ions exhibits the greatest attractive force between them A) Cape and on B) K and S2 C) K and CI D) Na and I E) Cat and I
3. Which element has the following ground-state electron configuration? [Kr] 5s24d105p3 A) Sb B) Sn C) Pb D) Bi E) Te 4. Which element has the following ground-state electron configuration? [Kr]5s24d105ps A)As B) C) Br D) Se 5. If one electron is added to the outer shell of silicon, it would have the same electron configuration as what element?
Atomic and Ionic Radii Select the greater of each of the following pairs of radii. The covalent radius of Se The covalent radius of Po The covalent radius of Br The covalent radius of Ga The metallic radius of Cs The metallic radius of K The ionic radius of In3+ The ionic radius of Ga3+ The ionic radius of Na+ The ionic radius Mg2+