Problem: Calculate the formal charge of chlorine in the molecules Cl2, BeCl2, and ClF5.

🤓 Based on our data, we think this question is relevant for Professor Cook's class at American Public University System.

FREE Expert Solution

We are asked to calculate the formal charge of chlorine in the molecules Cl2, BeCl2, and ClF5.


The ideal configuration of Cl is to have 1 bond and 3 lone pairs. 


Cl2 Lewis structure: 

Cl → Group 7A → 7 ve

Total = 14 ve


The formal charge of Cl in Cl2 is 0.


BeCl2 Lewis structure: 

Cl → Group 7A → 2 x 7 ve = 14 ve

Be → Group 2A → 2 ve

Total = 16 ve

The formal charge of Cl in BeCl2 is 0.


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Problem Details

Calculate the formal charge of chlorine in the molecules Cl2, BeCl2, and ClF5.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Formal Charge concept. You can view video lessons to learn Formal Charge. Or if you need more Formal Charge practice, you can also practice Formal Charge practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Cook's class at American Public University System.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.