How many valence electrons does a carbonate ion have?
A)30
B)28
C)24
D)32
E)22

Name: How many valence electrons does a carbonate ion have? A)30 B)28 C)24 D)32 E)22
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Quizplus · Accepted Answer

A carbonate ion (CO3^2-) consists of one carbon atom and three oxygen atoms. Carbon has 4 valence electrons, and each oxygen has 6 valence electrons, totaling 18 from oxygen. The ion has a 2- charge, adding 2 more electrons, resulting in a total of 24 valence electrons.

How Many Valence Electrons Does a Carbonate Ion Have