Question

Identify and name the metals out of the following elements whose electronic configurations are given below.

1.  2, 8, 2
2. 2, 8, 1
3. 2, 8, 7
4. 2, 1

Answer 1

Out of the given options, if the electronic configuration of a, b, c and d are considered, they represent the elements magnesium, sodium, chlorine and lithium respectively. Out of these elements magnesium, sodium and lithium are metals.