Out of bonding and antibonding m.o.'s, which one has lower energy and which one has higher stablility ?

Explanation

To answer the question regarding the energy levels and stability of bonding and antibonding molecular orbitals, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Molecular Orbitals**:
- When two atomic orbitals combine, they form molecular orbitals. These can be classified into bonding and antibonding molecular orbitals.

2. **Energy Levels of Molecular Orbitals**:
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