Question

Question 1
Put these elements in order of the INCREASING the atomic radius.
Li, O, C, F

A)O, C, F, Li

B) Li, C, OF

C) F, O, C, Li

D) C, F, Li, o​

Answer 1

Explanation:

we know that,

From Left to right (Period) atomic radius decreases

and

From Top to bottom (Group) atomic radius increases.

Li, C, O, F belongs to same period.

So,

Atomic radius decreases if we go left to right

Increasing order of Atomic radius -

Li > C > O > F

Therefore,

Option C is correct ✔.

Answer 2

Answer: C

Explanation: