Questions from Chapter 12 Powerpoint

Which of the following bonds would be the least polar yet still be considered polar covalent? Mg-O, C-O, O-O, Si-O, N-O

N-O

Which compounds exhibit resonance? NO₂⁻, N₂, CCl₄, CO₃²⁻

NO₂⁻, CO₃²⁻

Which atom or ion has the smallest radius? O²⁺, O⁺, O, O²⁻

O²⁺

Which of the following bonds would be the most polar without being considered ionic? Mg-O, C-O, O-O, Si-O, N-O

Si-O

covalent bond in which two pairs of electrons are shared by two atoms

double bond

covalent bond in which one pair of electrons is shared by two atoms

single bond

covalent bond in which three pairs of electrons are shared by two atoms

triple bond

Arrange the bonds from most to least polar: Cl-Cl, B-Cl, S-Cl

1. B-Cl 2. S-Cl 3. Cl-Cl

Arrange the bonds from most to least polar: N-F, O-F, C-F

1. C-F 2. N-F 3. O-F

Rank the following from smallest to largest atomic radius: Ar, S²⁻, Ca²⁺, K⁺, Cl⁻

1. Ca²⁺ 2. K⁺ 3. Ar 4. Cl⁻ 5. S²⁻

Arrange the bonds from most to least polar: C-F, N-O, Si-F

1. Si-F 2. C-F 3. N-O

What is the expected ground state configurations for Te₂⁻?

[Kr] 5s²4d¹⁰5p⁶

What is the correct electron configuration for the most stable form of the sulfur ion in an ionic compound?

[Ne] 3s²3p⁶