An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is

Options

A. 11
B. 14
C. 16
D. 10

Answer

C

Explanation

`Z=16.` The atom with `Z=20` has two electrons more that Ar gas configuration and thus has a strong tendency to lose these electrons. Therefore, it will combine readily with that element which can accept these electrons, i.e. element with `Z=16.`