What are valence electrons For s block and p block elements show that number of valence electrons is equal - Chemistry -

Question

What are valence electrons? For s block and p block elements show
that number of valence electrons is equal to it's group number

Shivam Ranjan Sinha · Accepted Answer

What are valence electrons? For s block and p block elements show that number of valence electrons is equal to it's group number.