An element \[X\] forms a un-positive ion with the electronic structure\[2,\,\,8,\,\,8\]. What is the atomic number of\[X\]?

An element \[X\] forms a un-positive ion with the electronic structure

1.	An element \[X\] forms a un-positive ion with the electronic structure\[2,\,\,8,\,\,8\]. What is the atomic number of\[X\]?
A.	\[16\]
B.	\[17\]
C.	\[18\]
D.	\[19\]
Answer» E.

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An element \[X\] forms a un-positive ion with the electronic structure\[2,\,\,8,\,\,8\]. What is the atomic number of\[X\]?

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