Atomic number of a few elements are given below 10, 20, 7, 14
Identify the Periods of these elements in the Periodic Table.

Explanation

To identify the periods of the elements with the given atomic numbers (10, 20, 7, and 14), we will refer to the modern periodic table. Here’s a step-by-step solution:

### Step 1: Identify the Elements
First, we need to identify which elements correspond to the given atomic numbers:
- Atomic number 10 corresponds to Neon (Ne).
- Atomic number 20 corresponds to Calcium (Ca).
- Atomic number 7 corresponds to Nitrogen (N).
- Atomic number 14 corresponds to Silicon (Si).
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