An element X belongs to 3rd period and group II of the periodic table . State :
Whether it is a metal or a non - metal .

Explanation

To determine whether the element X, which belongs to the 3rd period and group II of the periodic table, is a metal or a non-metal, we can follow these steps:

### Step 1: Identify the Group and Period
- The element X is stated to be in the 3rd period and group II of the periodic table.

### Step 2: Determine the Element
- Elements in group II (also known as alkaline earth metals) of the periodic table include Beryllium (Be), Magnesium (Mg), Calcium (Ca), etc.
- For the 3rd period, the element in group II is Magnesium (Mg).
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