Question on 2A. 17 part c

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Alvaro Chumpitaz 4D
Posts: 56
Joined: Wed Sep 11, 2019 12:17 am

Question on 2A. 17 part c

Postby Alvaro Chumpitaz 4D » Sat Oct 26, 2019 9:40 pm

Predict the number of valence electrons present for each of the following ions
c) Co (3+)
How can you predict the number of valence electrons for a transition metal?

JChen_2I
Posts: 107
Joined: Fri Aug 09, 2019 12:17 am

Re: Question on 2A. 17 part c

Postby JChen_2I » Sat Oct 26, 2019 10:14 pm

Cobalt is in group 9 so it has 9 valence electrons in its neutral state. Then because the charge the 3+, it means there are 3 less electrons than it does during its neutral state so there are 6 valence electrons.


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