Direction: Please determine the correct answer for each of the following problems.

Problem 1

Boron (B) has an atomic number of 5, how many valence electrons does a boron atom have?

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Problem 2

Fluorine (F) has 7 electrons in it's outer most shell, what is the valence of fluorine?

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Problem 3

Argon (Ar) is an unreactive substance, what is the valence of argon?

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