# Problem: Part AUse the drawing of the MO energy diagram to predict the bond order of Li2+.Express the bond order as an integer or fraction.Part BUse the drawing of the MO energy diagram to predict the bond order of Li2.Express the bond order as an integer or fraction.Part CWhich molecules are predicted to exist in the gas phase?A. Li2B. Li2+

###### FREE Expert Solution

We are being asked to draw the MO energy diagram of Li2+ and Li2- then predict which will exist in the gas phase.

We will do the following steps

Step 1: Calculate the total number of valence electrons present.

Step 2: Draw the molecular orbital diagram.

Step 3: Calculate the bond order of the molecule/ion. Recall that the formula for bond order is:

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Part A

Use the drawing of the MO energy diagram to predict the bond order of Li2+.

Express the bond order as an integer or fraction.

Part B

Use the drawing of the MO energy diagram to predict the bond order of Li2.

Express the bond order as an integer or fraction.

Part C

Which molecules are predicted to exist in the gas phase?

A. Li2

B. Li2+