The given figure depicts the atomic structure of element X. write its atomic number, atomic mass, valence electrons and valency whether it is a metal or a non metal.
Atomic number = 8
Atomic mass = 18
Valency = 2
It is a non-metal as it gains electrons to complete its octet.
Atomic mass = 18
Valency = 2
It is a non-metal as it gains electrons to complete its octet.