Nitrogen (atomic no. 7) and phosphorous (atomic no. 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements in terms of K, L, M, N shell. Predict whether these are metallic or non-metallic

Explanation

To solve the question regarding the electronic configuration of nitrogen and phosphorus, as well as to determine whether they are metallic or non-metallic, we can follow these steps:

### Step 1: Determine the Electronic Configuration of Nitrogen
- **Atomic Number of Nitrogen (N)**: 7
- **Shells**: K, L, M
- **Maximum Electrons in Each Shell**:
- K shell can hold a maximum of 2 electrons.
- L shell can hold a maximum of 8 electrons.
...