Question

The electronic configuration of an element 'X' is 2,8,6. To which group of the modern periodic table does 'X' belong. state it vallency and justify your answer in each case.

Answer 1

x element is sulphur

group 16 this element belong

its valency is 2

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.