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Saturday, September 26, 2020

What is "Molecular mass ?

Molecular mass : Molecular mass is the number which indicates how many times the mass of one molecule of a substance is heavier in comparison to 1/12th part of the mass of one atom of C-12.


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]