1.

An element `M` has an atomic mass 19 and atomic number 9. Its ion is represented byA. `M^(+)`B. `M^(-)`C. `M^(2+)`D. `M^(2-)`

Answer» Correct Answer - B
`M^(-)` After gaining and `e^(-)` the metal attains stable configuration.


Discussion

No Comment Found

Related InterviewSolutions