The electronic configuration of an element is 2, 8, 4. State its,
(a) group and period in the Modern Periodic Table. (b) name and write its one physical property.

Explanation

To solve the question regarding the electronic configuration of the element 2, 8, 4, we will follow these steps:

### Step 1: Identify the Electronic Configuration
The given electronic configuration is 2, 8, 4. This means:
- The first shell (n=1) has 2 electrons.
- The second shell (n=2) has 8 electrons.
- The third shell (n=3) has 4 electrons.

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