An elements P has atomic no. 13.
Elements P is metal or non-metal ?

Explanation

To determine whether element P, which has an atomic number of 13, is a metal or a non-metal, we can follow these steps:

### Step 1: Identify the Element
The atomic number 13 corresponds to the element aluminum (Al).

### Step 2: Determine the Electronic Configuration
The electronic configuration of aluminum is 2, 8, 3. This means that aluminum has:
- 2 electrons in the first shell
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