6th Edition 3.21

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Jack Mitchell 3J
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Joined: Fri Sep 28, 2018 12:24 am

6th Edition 3.21

Postby Jack Mitchell 3J » Thu Nov 01, 2018 11:16 pm

For the Calcium+2 ion, would you have to write out the entire ground state configuration, or would you just be able to write [Ar].

Nathan Tran 4K
Posts: 92
Joined: Fri Sep 28, 2018 12:16 am

Re: 6th Edition 3.21

Postby Nathan Tran 4K » Thu Nov 01, 2018 11:28 pm

Just writing the ground state as [Ar] would be an acceptable answer, as the charge of plus 2 means the Calcium atom lost two electrons, equal in valence electrons to that of the noble gas Argon.

Miriam Sheetz 2B
Posts: 64
Joined: Fri Sep 28, 2018 12:25 am

Re: 6th Edition 3.21

Postby Miriam Sheetz 2B » Fri Nov 02, 2018 10:14 pm

You can just write [Ar] that is acceptable notation for an ion like that.


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