9
lesson pretestMultiple Choice

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Question 9 • Physical Science

What best explains how two oxygen atoms, each with six valence electrons, can bond with each other?

Answer
A
One atom can lose four electrons to the environment so that a total of eight valence electrons remains.
B
Each atom can lose two electrons so that there is a total of eight valence electrons between the atoms.
C
Each atom can share two electrons with the other so that each atom has eight valence electrons.
D
One atom can lose two electrons so that the other atom can gain them and have eight valence electrons.
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What best explains how two oxygen atoms, each…