What is Gram atomic mass (GAM) ?

Gram atomic mass : The gram atomic mass can be defined as the mass of 1 mole atoms of an element.

What is Atomic mass unit (amu) ?

The quantity [1/12 mass of an atom of C-12] is known as atomic mass unit. The actual mass of one atom of C-12 = 1.9924x10^-26 kg

What is "Atomic mass" ?

Atomic mass of an element can be defined as the number which indicates how many times the mass of one atom of the element is heavier in comparison to 1/12 th part of the mass of one atom of

Carbon-12.

What is "mole" ?

 A mole is the amount of substance that contains as many species [Atoms, molecules ions or other particles] as there are atoms in exactly 12 gm of C-12

                         [1Mole= 6.022x10^23 Species]

What are difference between "Isoelectronic" and "Isosters" species?

Isoelectronic : Ion or atom or molecule or species which have the same number of electron is called Isoelectronic species.

Isosters : Substance which have same number of electron and atoms called Isosters