1.

An element with atomic number 51 belongs to group

Answer»

11
14
16
16

Solution :The configuration of the element with atomic number 51 is : `[Kr]^(36) 5s^(2) 4d^10 5p^3.`
Since the OUTER SHELL's configuration has FIVE electrons `(5s^2 5p^3)`, therefore, it belongs to group


Discussion

No Comment Found