Question

Which of the following contains the highest number of atoms?
80 g sodium (ii) 100 g iron (iii) 2.5 g atom of helium atom (iv) 5.6 litres of oxygen at S.T.P.​

Answer 1

Answer:

Explanation:

100 g of Fe contains = 1.0753 x 1024 number of atoms

Therefore, 100 grams of sodium contains more number of atoms than 100 grams of iron.