Define atomic mass unit. Express it in kg.

Define atomic mass unit. Express it in g.

Define the atomic mass unit.

Define the atomic mass unit.

Define atomic mass unit. Write its energy equivalent in MeV.

(a)Define atomic mass unit. How is it linked with relative atomic mass? (b) How do you know the presence of atoms if they do not exist independently for most of the elements?

How many unified atomic mass units are there in one kg?

(a) Define atomic mass unit. (b) Distinguish between molecular mass and molar mass.

(a) Define atomic mass unit. What is its symbol ? (b) Define atomic mass of an element. (c ) What is meant by saying that 'the atomic mass of oxygen is 16 ' ?