Write the electronic configuration whose atomic number are `6,16,26,36,56`.

Explanation

To write the electronic configurations for the elements with atomic numbers 6, 16, 26, 36, and 56, we will follow the Aufbau principle, which states that electrons fill atomic orbitals in order of increasing energy levels. We will also consider the maximum number of electrons that can occupy each subshell.

### Step-by-Step Solution:

1. **Atomic Number 6 (Carbon)**:
- The atomic number 6 corresponds to carbon, which has 6 electrons.
- The electronic configuration is filled as follows:
- 1s can hold 2 electrons: **1s²**
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