Question

The outer electronic configurations of three elements are shown here.
V shell
V shell
V shell
P
Р
O
R
Which of the following statements is correct regarding P, Q and R?
1. Atomic numbers of these elements are in the order: R > Q> P
Il. Pand R will combine to form a compound of formula PR.
III. R will form a divalent anion to attain stable configuration.
IV. P and R have same valency.​

Answer 1

Answer:

Outermost shell electronic configuration of element- 3s^2 3p^4

a. The element belongs to period 3 of periodic table.

b. The group no. of element is 16 as the no. of electrons in its outermost shell is 6.

c. The element belongs to p-block.