Question

Salon electronic configuration of an element x is 2862 which group and period of the modern periodic table does x without

Answer 1

second group & fourth period

Answer 2

Answer:

1 . Since ‘X’ has three energy shells and period number of an element is equal to the number  of energy shells, X belongs to 3rd period.

2 . X has 6 valence electrons it belongs to group 16.

3.  Valency will be 2. To acquire noble gas configuration it will gain 2 electrons.