which pair of ions exhibits the greatest attractive force? Which pair of ions exhibits the greatest...
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
Give the formula for an ionic compound formed from each pair of ions. Na+ and 02- Na" and o> Ar* and FC A13+ and F- Mg2+ and S2- Ca2+ and P3-
QUESTION 4 For each pair of ions, choose the one that has the larger radius. 02- or Al3+ Nat or kt. A. Al3+ and K+ OB. 02. and OC. 02- and Nat D. A13+ and Na*
Rank the following ions in order of decreasing ionic radius: S2-,
O2-, F-, Na+, Mg2+
Rank the following ions in order of increasing first
ionization energy: O2-, Mg2+, F-, Na+
Rank the following ions in order of decreasing ionic radius: S2-,02-, F-, Na Mg 2+. A. 52-02-, F. Nat. Mg2+ B. 02-, F, Na+, Mg2+, 52- C. Mg2+, 52-, Na+, F, 02- D.02-,52-,F, Na+, Mg2+ E. Mg2+, Na+, F, 02-, 52- QUESTION 25 Rank the following ions in order of...
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
10. For a Na +Cl-ion pair, attractive and repulsive energies Ea and ER, respectively depend on the distance between the ions r, according to 7.32 × 10-6 EA 1.436 For these expressions, energies are expressed in electron volts per Na+ Cl- pair, and ance in nanometers. The net energy Ev is just the sum of the preceding two expressions. (a) Superimpose on a single plot EN,FR, and EA versus r up to 1.0 nm. (b) On the basis of this...
20 Points] If the attractive force between a pair of Cs+ and I-ions is 2.83 x 109 N and the ionic radius of the Cst ion is 0.165 nm, calculate the ionic radius of the I- ion in nanometers.
For each of the following pairs of ions, write the formula of the compound they will form: (a) K*, 02- (b) Zn2.cl c) Al3+, 02- (d) Na+, som? (e) Ba2+, OH
1. For a pair of ions M*-X, the attractive and repulsive energies EA and Er (in eV/pair), respectively, depend on the distance between the ions r (in nm), according to the following equations: 1.5 EA r ER 6 x 10-6 r9 a. Write down the expression for the total energy En. (2 marks) b. Take the derivative of Ex (4 marks) C. Calculate the equilibrium distance ro given that it is be distance at which en is minimum. (6 mark)...
For an Na+Cl- ion pair, attractive and repulsive energies EA and ER, respectively, depend on the distance between the ions (r), according to EA = - 1.436/r ER = 7.32 * (10^-6 / r^8) For these expressions, energies are expressed in electron volts (eV) / Na+Cl- ion pair, and r is the distance in nanometers (nm). The net energy, EN, is the sum of the EA and ER. a) Using graphical software (e.g. Matlab or Excel), create a single plot...