Compare the bond order of H2, He+2 and He2
Understand the Problem
The question is asking us to compare the bond order of three different molecular species: diatomic hydrogen (H2), the helium cation (He2+), and diatomic helium (He2). The bond order is a measure of the number of chemical bonds between a pair of atoms, which can be determined using molecular orbital theory.
Answer
H2: 1, He2: 0, He2+: 0.5
The bond order of H2 is 1, He2 is 0, and He2+ is 0.5.
Answer for screen readers
The bond order of H2 is 1, He2 is 0, and He2+ is 0.5.
More Information
The bond order reflects the stability of a molecule: the higher the bond order, the more stable the molecule. Therefore, H2 is stable, He2+ is less stable, and He2 does not form a stable bond.
Tips
A common mistake is confusing He2 and He2+. He2 has no stable bond, so its bond order is zero, unlike He2+ which has a bond order of 0.5.
Sources
- The web page with info on - Example Source - brainly.com
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