One atom of an element weighs 1.8 × 10–22 g. Its atomic mass is (Manipal 2009)

Given, Mass of one atom of an element = 22 1.8 10 g x The atomic mass of an element is defined as the mass of Avogadro’s number of atoms of that element Therefore, the atomic mass of element = mass of one atom × Avagadro number 22 23 1 1.8 10 6.022 10 10.8396 10 108.396grams x x x x