Question

Arrange the following elements in increasing order of their atomic radii: (a) Li,Be, F, N (b) Cl, At, Br, I

Answer 1

As the atomic radii decreases along a period

Thus, the given elements will be arranged in the following order  

F < N < Be < Li

As the atomic radii increases down a group

Thus, the given elements will be arranged in the following order  

Cl < Br < I < At

Answer 2

Answer:

Given below

Explanation:

Hey mate,here you go....

When the atomic radii increases

Cl < Br < I < At

When the atomic radii decreases

F < N < Be < Li

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