Question

Find the number of molecules, atoms and electrons present in 0.7 grams of Nitrogen

Answer 1

moles=0.7÷28=0.025

molecules =0.025×6.022×10^23

=1.5055×10^22


atoms=3.011×10^22

electron =3.011×10^22×7

=2.1077×10^23

Answer 2

hope it may help u....