Question

The electronic configuration of the atoms P, Q and R are P = 2, 8, 1 ;Q = 2, 6 and R = 2, 8, 7
Type of bond formed between Q and R

Type of bond formed between P and Q

Formula of the compound formed between P and R

Formula of the compound formed between P and Q

An ion X⁻ contains 10 electrons and 10 neutrons.
Atomic number of element X

Name the element.

Mass number of element X

Answer 1

Answer:

5

Explanation:

bec 5Type of bond formed between Q and R

Type of bond formed between P and Q

Formula of the compound formed between P and R

Formula of the compound formed