Question

write the atomic number and electronic configuration of Element present in 3rd period and 17th group of periodic table​

Answer 1

Write the atomic number of the element present in the third period and seventeenth group of the periodic table. ... Hence, the element in the 17th group of the third period has atomic number Z = 17 ,chlorine(Cl) with atomic mass 35.453, which is a p block element.

Answer 2

It is chlorine,it's atomic number is 17