Question

Atomic numbers of the element are given below :- [5]

A = 8, B = 7, C = 17, D = 11, E = 20

(I) State which of the above is a divalent metal.

(II) Which of the above is a nonmetal?

(III) Type of bonding between two atoms of ‘A’.

(IV) Type of bonding between ‘D’ and ‘C’.

(V) No. of covalent bond formed between B2.​

Answer 1

1. A
2. C
3. Electrovalevt
4. Electrovalent
5. 3