Bond order is less in solid phases (usually 1), intermediate in liquid (2 or 3), and greatest in gases (3). [Be2]+ has a bond order of 1/2 and for [Be2]-, it has a bond order of 0. The bond order for <span>[Be2]+ is calculated by: (4 bonding e- - 3 nonbonding e-) / 2 = 1/2</span>
