Why Is the Bond Order of B2 2- Calculated as 1.5?

[stacker]

Homework Statement

What is the bond order of B₂^2-

Homework Equations

(Number of bonding electrons - number of antibonding electron)/2

The Attempt at a Solution

(3-0)/2 = 1.5, which is wrong. What's going on?

 

[stacker]

Homework Statement

What is the bond order of B₂^2-

Homework Equations

(Number of bonding electrons - number of antibonding electron)/2

The Attempt at a Solution

(3-0)/2 = 1.5, which is wrong. What's going on?

bump