Question

An element ‘M ‘ has atomic number 9 and mass number 19 its ion is represented by ( )
A) M B) M 2+ C) M D) M -2

Answer 1

Answer: the answer is M-1

Explanation:

as it takes 1 electron to attain stability since it is non-other than F

Answer 2

Answer:

M - 1 is the answer i guess..hope it helps i