Question

1 atoms of Iron weighs

Answer 1

take the molar weight of Fe and divide it by the number of atoms in a mole

(molar mass=55.85)(grams)/mole x 1 mole/(6.022*10^23 atoms)

if you do this calculation you should get ~ 0.000000000000000000000092743 grams

or 9.27*10^-23 grams