Question

if two or more than two same atom make element then why mass of element and mass of atom are same. mass of element should be taken by adding mass of hydrogen​

Answer 1

Answer:

the mass of the element is taken in grams and the mass of atoms is taken in atomic mass unit (u)

Explanation:

as the units of the measurement of masses are different .

the mass of 1 mole of an element is = 6.023*10^22*(the mass of the atom )amu

                                                           =mass of the element in grams