First slide

Electronic configuration and Atomic , physical properties

Question

An element M has an atomic mass 19 and atomic number 9. Its ion is represented by

Easy

A

M⁺
B

M⁺²
C

M^-
D

M^-2

Solution

Atomic number 9 element is fluorine gain electron getting Ne octet configuration ,so it is represented as $M^{-}$

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