Ch 5

Question 1

When orbitals are end to end, the bond is

Answer 1

Sigma (σ)

Question 2

When orbitals are side to side, the bond is

Answer 2

π

Question 3

According to valence bond theory, covalent bonds form when

Answer 3

Orbitals of opposite spins overlap

Question 4

1s + 1p = which hybrid orbital and how many?

Answer 4

2 sp orbitals

Question 5

1s + 2p = which hybrid orbital and how many?

Answer 5

3 sp² orbitals

Question 6

1s + 3p = which hybrid orbital and how many?

Answer 6

4 sp³

Question 7

sp orbitals are oriented at which angle?

Answer 7

180°

Question 8

sp² orbitals are oriented at which angle?

Answer 8

120°

Question 9

sp³ orbitals are oriented at which angle?

Answer 9

109°

Question 10

2 e- groups on central atom form which hybridizations

Answer 10

sp

Question 11

3 e- groups on central atom form which hybridizations

Answer 11

sp²

Question 12

4 e- groups on central atom form which hybridizations

Answer 12

sp³