Which diatomic molecule of second period basides `O_(2)` should be paramagnetic ? .

Explanation

To determine which diatomic molecule of the second period, besides \( O_2 \), is paramagnetic, we can follow these steps:

### Step 1: Understand Paramagnetism
Paramagnetism occurs in molecules that have unpaired electrons. Therefore, we need to identify diatomic molecules of the second period that have unpaired electrons in their molecular orbital configurations.

### Step 2: Identify Diatomic Molecules of the Second Period
The second period elements are Lithium (Li), Beryllium (Be), Boron (B), Carbon (C), Nitrogen (N), Oxygen (O), Fluorine (F), and Neon (Ne). The diatomic molecules we can form from these elements are:
- \( Li_2 \)
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