Question

Atomic redius of a certain atom is 1.2 armstrom express it in metres.Also determine it's volume.

Answer 1

Explanation:

I'm assuming it is angstrom

1A=10^-10m

so 1.2A=1.2x10^-10m

Volume = 4/3πr³=4/3π(1.2x10^-10)³

i hope u can do further calculations