Question

(i)Two elements that belong to hologen familly(ii)An element which is tetravalent and forms the basis of organic chemistry.

Answer 1

Answer:

(1.)The halogen elements are fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).

(2.)Carbon

Answer 2

Answer:

1. Two elements that belongs to halogen family are Cl,Br and I
2. carbon