The electronic configurations of three elements X, Y and Z are : X : 2 Y : 2, 8, 7 Z : 2, 8, 2 Which of the following is correct regarding these elements ?

Question

Philoid · Accepted Answer

The electronic configurations of three elements X, Y and Z are : X : 2 Y : 2, 8, 7 Z : 2, 8, 2 The correct one is Y is a non-metal and Z is a metal.

The electronic configurations of three elements X, Y and Z are :X : 2 Y : 2, 8, 7 Z : 2, 8, 2Which of the following is correct regarding these elements ?

The electronic configurations of three elements X, Y and Z are :
X : 2 Y : 2, 8, 7 Z : 2, 8, 2

Which of the following is correct regarding these elements ?