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C= 4 x 1 = 4

O= 6 x 3 = 18

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22

- 2

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24*

* Because a (-) is adding and (+) is subtracting.. so since this problem is a (-2) then you will add it to the total found.. hope this helps!

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15y ago
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AnswerBot

5mo ago

There are 24 valence electrons in CO3^2-. Each oxygen contributes 6 valence electrons and the carbon contributes 4 valence electrons, resulting in a total of 24 valence electrons.

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15y ago

24

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12y ago

18!

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Q: How many valence electrons in co3- 2-?
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Related questions

How many valence electrons does co3 2- have?

The carbonate ion, CO3 2-, has a total of 24 valence electrons. This is because there are three oxygen atoms, each contributing 6 valence electrons, and a charge of 2- indicates the addition of 2 electrons to account for the overall charge on the ion.


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There are a total of 22 electrons in the CO3 2- ion. This consists of 6 electrons from carbon (C) and 8 electrons from each of the three oxygen (O) atoms, along with the additional 2 electrons to account for the overall 2- charge of the ion.


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