Define atomic mass of an element in terms of mole concept.

Explain gram atomic mass and gram molar mass of an element in terms of mole concept.

Define atomic number of an element?

Define relative atomic mass of a element.

What is the necessity of mole? Describe gram atomic mass and gram molar mass in terms of mole concept. Give one example in each case to support your answer

Define mass number of an element.

Explain gram atomic mass in terms of mole concept.

(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 ' ?

Define atomic mass and gram atomic mass.