Q30Multiple choice
The electronic configurations of three elements X, Y and Z are X — 2, 8; Y — 2, 8, 7 and Z — 2, 8, 2. Which of the following is correct?
- (a)X is a metal
- (b)Y is a metal
- (c)Z is a non-metal
- (d)Y is a non-metal and Z is a metal
Show answer
(d) Y is a non-metal and Z is a metal