How many allotropic forms of Carbon exist?

Explanation

To determine how many allotropic forms of carbon exist, we can follow these steps:

### Step 1: Define Allotropes
Allotropes are different physical forms of the same element, where the atoms are bonded together in different ways.

### Step 2: Identify Allotropic Forms of Carbon
Carbon has several allotropes, but the most commonly recognized ones are:
1. **Diamond**
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