Chemistry: Chapter 8 Problems

Give the complete ground-state electron configuration for silicon (Si).

1s^2 2s^2 2p^6 3s^2 3p^2

List a possible set of four quantum numbers (n, ℓ, mℓ, ms) in order, for the highest energy electron in gallium (Ga).

4, 1, 1, 1/2 or 4, 1, 1, -1/2

Condensed electron configuration of iodine (I).

5s^2 4d^10 5p^5

How many orbitals are there in the third shell (n=3)?

9

Identify the sets of quantum numbers that describe all the electrons in the ground state of a neutral beryllium atom, Be. Each set is ordered (n,ℓ,mℓ,ms).

Electrons in Be: 1,0,0,1/2 1,0,0,-1/2 2,0,0,-1/2 2,0,0,1/2 Electrons not in Be: 2,1,-1,1/2 2,1,0,-1/2 2,1,0,1/2 2,1,-1,-1/2

Give the actual ground-state electron configuration for copper (Cu) using the complete form.

1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^10

Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n,ℓ,mℓ,ms). Check all that apply. 3,2,-2,1/2 1,-1,-1,-1/2 0,2,1,-1/2 1,2,0,1/2 1,0,0,-1/2 4,2,1,1/2 3,2,1,-1 4,3,-4,1/2 3,1,-1,1/2 2,0,0,-1/2 3,3,-1,1/2 2,3,1,1/2

3,2,-2,1/2 1,0,0,-1/2 4,2,1,1/2 3,1,-1,1/2 2,0,0,-1/2

Give the ground-state electron configuration for copper (Cu) using noble-gas shorthand.

[Ar] 4s^1 3d^10

Give the ground-state electron configuration for silicon (Si) using noble-gas shorthand.

[Ne] 3s^2 3p^2

Condensed electron configuration of bismuth (Bi).

[Xe]4f^14 5d^10 6s^2 6p^3