One-gram atom of chlorine is equal to?

One mole of chlorine atoms

71 grams

One gram of chlorine atoms

a ,b both are correct

One gram atom of any element refers to one mole of its atoms.

- The molar mass of chlorine (Cl) is approximately 35.5 g, so:

- One gram atom of chlorine = 1 mole of Cl atoms = 35.5 g, not 71 g (which is for Cl₂ molecules).