Warmup 33-34

Which of the following bonds is not found in acetylene (C2H2)?

• All of these bonds are found in C2H2.

• σ1s−sp

• π2p−2p

• σsp−sp

A diatomic element has six bonding electrons, six non-bonding electrons, and 2 anti-bonding electrons. What is the bond order?

• 0

• 4

• 3

• 2

Which of the following species is paramagnetic?

• C2 −2

• He2

• N2

• Be2 −2