Formal Charge


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Cytlalli 1B
Posts: 23
Joined: Fri Apr 06, 2018 11:02 am

Formal Charge

Postby Cytlalli 1B » Thu May 17, 2018 7:26 pm

When there is a - in front of a molecule you add an electron to the formal charge and when there is a + you subtract an electron from the overall formal charge right?

Patience Olsen 1A
Posts: 28
Joined: Fri Apr 06, 2018 11:04 am

Re: Formal Charge

Postby Patience Olsen 1A » Thu May 17, 2018 7:35 pm

Yes, correct.

Mariah Guerrero 1J
Posts: 32
Joined: Fri Apr 06, 2018 11:03 am

Re: Formal Charge

Postby Mariah Guerrero 1J » Thu May 17, 2018 9:46 pm

Yes! A - means that the molecule is an anion, meaning you ADD an electron. A + means the molecule is a cation, meaning you REMOVE an electron.

Endri Dis 1J
Posts: 33
Joined: Fri Apr 06, 2018 11:02 am

Re: Formal Charge

Postby Endri Dis 1J » Fri May 18, 2018 2:36 am

Also, don't forget to express this when drawing the lewis dot structure by putting your answer in square brackets and depending on whether its an anion or cation putting the correct charge.


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