How many covalent bonds are present in a molecule of ethylene?

Explanation

To determine the number of covalent bonds in a molecule of ethylene (C2H4), we can follow these steps:

### Step 1: Identify the Structure of Ethylene
Ethylene, also known as ethene, has the molecular formula C2H4. This indicates that there are two carbon atoms and four hydrogen atoms in the molecule.

### Step 2: Draw the Structural Formula
The structural formula of ethylene can be represented as:
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