likely charge of atoms

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EMurphy_2L
Posts: 128
Joined: Sat Sep 07, 2019 12:16 am

likely charge of atoms

Postby EMurphy_2L » Mon Oct 28, 2019 1:27 pm

so I understand that atoms want to reach an octet so s-block atoms will likely form +1 or +2 ions and groups 15-17 will likely form -1, -2, or -3 ions. But what about gallium (Ga) which would need a -5 charge to reach the next noble gas? would it just become +1 to reach a complete 3d orbital?
basically, what's the likely charge of Ga or any group 13 (and 14) element ?

Rita Chen 1B
Posts: 112
Joined: Sat Jul 20, 2019 12:15 am

Re: likely charge of atoms

Postby Rita Chen 1B » Mon Oct 28, 2019 1:28 pm

I think Ga would likely be 3+ because it has 3 valence electrons.

Brian_Ho_2B
Posts: 221
Joined: Fri Aug 09, 2019 12:16 am

Re: likely charge of atoms

Postby Brian_Ho_2B » Mon Oct 28, 2019 1:29 pm

Because Gallium is a metal, it is more likely to form a cation by removing three of its electron in order to obtain the nearest full shell. Since it has three valence electrons (its configuration is [Ar] 3d10 4s2 4p1) Gallium's cation would be Ga3+.

AKatukota
Posts: 100
Joined: Thu Jul 25, 2019 12:18 am

Re: likely charge of atoms

Postby AKatukota » Mon Oct 28, 2019 2:11 pm

This helped thank you!


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