Question

atomic radii of Cl I and Br are 99 133 and 114 pm respectively​ explain it

Answer 1

Answer:

a trend can be understand using periodic table

Explanation:

as we go downward in periodic table

atomic no increses..

and, no of orbits increases..

and, attraction between nucleus and electrons decreases...

effective nuclear charge decreases

so, atomic radius tends to be larger than previous atom in same period..

Answer 2

Explanation:

Down the groupe of periodic table increase