Question

How many bonds does $B_{2}$ have?

• A. 0
• B. 1
• C. 2
• D. 3

Answer 1

Answer: (B)

1

Answer 2

$B _{2}: K K(\sigma 2 s)^{2}\left(\sigma^{*} 2 s\right)^{2}\left(\pi 2 p_{x}\right)^{1}\left(\pi 2 p_{y}\right)^{1}$ Bond order $=\frac{1}{2}(4-2)=1$