Question

How does a non-metal atom obtain a full outer shell
of electrons?

Answer 1

Explanation:

And so oxygen will be happy if it can gains 2 more electrons to have a full octet of outer shell electrons. If it does, then it becomes a 2- ion: the O2- ion. So non-metals such as fluorine and oxygen gain electrons in order to achieve a full octet of valence shell electrons.

Answer 2

Answer:

And so oxygen will be happy if it can gains 2 more electrons to have a full octet of outer shell electrons. If it does, then it becomes a 2- ion: the O2- ion. So non-metals such as fluorine and oxygen gain electrons in order to achieve a full octet of valence shell electrons.

Explanation:

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