Question

Which of the following elements has the largest atomic radius? Potassium Calcium Cobalt Nickel

Answer 1

Potassium has the largest atomic radius.

Answer 2

Yo!

Here's the answer!

Potassium-2.77 Angstrom.

Calcium-2.23 Angstrom.

Cobalt-1.67 Angstrom.

Nickel-1.62 Angstrom.

Hence,Potassium has the largest atomic radius.

Hope that this helps you!

-TGA.