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03-07-2019
Chemistry

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How many valence electrons does a sulfate (S04-2) ion contain?
30
32
24

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03-07-2019

Answer:

30

Explanation:

A valance electron is an electron in the outer shell. Both Sulfur and Oxygen have 6 valance electrons. Because there is 1 sulfur atom and 4 oxygen atoms in SO4, that means it is 5x6, giving 30 valance electrons.

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