Question

- The table given below contains atoms of few elements with their atomic radii. When these

elements are arranged in a specific manner, their valency first increases and then

decreases.

Identify correct order of their increasing atomic number:

a) P<Q<R<T<S

b) S< Q<P<T<R

c) Q<P<T<R<S

d) P<R<T<S<Q
​

Answer 1

Answer:

option A)

Explanation:

but not sure about the ans.