Name an element which has twice as many electrons in its second shell as in the first shell.

Explanation

To solve the question of identifying an element that has twice as many electrons in its second shell (L shell) as in its first shell (K shell), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Shells**:
- The first shell is known as the K shell.
- The second shell is known as the L shell.

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