Question

Please answer it fast with reason why tomm my exam!

which of the following elements are more reactive and tell why?
Lithium
Sodium
Potassium (ALSO tell the reason why please )

Answer 1

Answer:

the potassium of course. Potassium is correct

Answer 2

Answer:

Potassium

Potassium has bigger atomic size. Hence, it willingly donates one electron from last shell by participating in a reaction. As you move downwards the periodic table, you find more reactive elements ( radioactive elements too).

Hope this helps you.