What is the mass in grams of a chlorine atom, Cl?

Explanation

The atomic weight of Cl is 35.5 amu, so the molar mass of Cl is 35.5 g/mol. Dividing 35.5 g ( per mol) by ` 6.023 xx 10^(23)` gives the amss of one atom.
Mass of a Cl atom`=(35.5g)/(6.023 xx 10^(23))`
` = 5.90 xx 10^(-23) g `