common charges

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jane_ni_2d
Posts: 67
Joined: Fri Sep 28, 2018 12:23 am

common charges

Postby jane_ni_2d » Tue Feb 26, 2019 3:41 pm

are there any common charges that we should know besides the fact that oxygen is 2-?

Lynsea_Southwick_2K
Posts: 55
Joined: Fri Sep 28, 2018 12:25 am

Re: common charges

Postby Lynsea_Southwick_2K » Tue Feb 26, 2019 3:44 pm

If you mean oxidation numbers, these are the ones I try to keep in mind:

Hydrogen in all compounds is +1
Hydrogen in hydrides -1
Oxygen in peroxides -1
Group 1 elements in compounds +1
Group 2 elements in compounds +2
Halogens in group 1 and 2 compounds -1
Monoatomic ions same as their charge
Last edited by Lynsea_Southwick_2K on Tue Feb 26, 2019 3:45 pm, edited 1 time in total.

Patrick Cai 1L
Posts: 93
Joined: Fri Sep 28, 2018 12:25 am

Re: common charges

Postby Patrick Cai 1L » Tue Feb 26, 2019 3:45 pm

Common oxidation states to note are that the alkali metals are typically +1, alkali earth metals are typically +2, oxygen is typically -2 (except for in peroxides, which would be -1), hydrogen is typically +1, fluorine is typically -1, and chlorine is typically -1.


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