Question

an element a has atomic number 17 to which group and period does it belong how many electron are present in it is metal or nonmetal identify the element​

Answer 1

Answer:

group 7

period 3rd

no of electrons .17 (outermost -7)

non metal

Answer 2

Name : Chlorine

Period : 3

Group : 7

No. of electrons : 17

Metal or nonmetal : Non metal

Chlorine is a Diatomic molecule i.e. it exists as 2 atoms.