University:
Campbell University
Course:
CHEM 111 | General Chemistry I
Academic year:

2019
Views:

449

Pages:

3
Author:

SataTalluctft8

Chem 11 Electron Configurations Name: 1. Write the electron configurations for the following. a) P (15) 1s² 2s² 2p⁶ 3s² 3p³ b) Ti (22) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d² c) Co (27) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷ d) Br (35) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵ e) Sr (38) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² f) Ar (18) 1s² 2s² 2p⁶ 3s² 3p⁶ g) K (19) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ h) Cd (48) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ i) Xe (54) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ j) Cs (55) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s¹ k) Pb (82) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p² l) Ga (31) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p¹ m) Mn (25) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁵ n) Zr (40) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d² 2. Write the electron configurations for the following using core notation. a) P [Ne] 3s² 3p³ b) Ti [Ar] 4s² 3d² c) Co [Ar] 4s² 3d⁷ d) Br [Ar] 4s² 3d¹⁰ 4p⁵ e) Sr [Kr] 5s² f) Ar [Ne] 3s² 3p⁶ g) K [Ar] 4s¹ h) Cd [Kr] 5s² 4d¹⁰ i) Ca [Ar] 4s² j) Xe [Kr] 5s² 4d¹⁰ 5p⁶ k) Cs [Xe] 6s¹ l) Pb [Xe] 6s² 4f¹⁴ 5d¹⁰ 6p² m) Ga [Ar] 4s² 3d¹⁰ 4p¹ n) Mn [Ar] 4s² 3d⁵ o) Zr [Kr] 5s² 4d² 3. Write the electron configurations for the following ions, using core notation. a) H⁻ 1s² + 1e⁻ = 1s² b) Sr²⁺ [Kr] 5s² = 2e⁻ + [Kr] c) Br⁻ [Ar] 4s² 3d¹⁰ 4p⁵ + 1e⁻ = [Ar] 4s² 3d¹⁰ 4p⁶ d) N³⁺ [He] 2s² 2p³ = 3e⁻ + [He] 2s² e) Ti²⁺ [Ar] 4s² 3d² = 2e⁻ + [Ar] 3d² f) N³⁻ [He] 2s² 2p³ + 3e⁻ = [He] 2s² 2p⁶ g) Mn²⁺ [Ar] 4s² 3d⁵ = 2e⁻ + [Ar] 3d⁵ h) Fe³⁺ [Ar] 4s² 3d⁶ = 3e⁻ + [Ar] 3d⁵ i) Ge⁴⁺ [Ar] 4s² 3d¹⁰ 4p² = 4e⁻ + [Ar] 3d¹⁰ j) Ru³⁺ [Kr] 5s² 4d⁶ = 3e⁻ + [Kr] 4d⁵ k) Sb³⁺ [Kr] 5s² 4d¹⁰ 5p³ = 3e⁻ + [Kr] 4d¹⁰ 5s²