Atomic No And Mass No

Find out atomic number, mass number, number of electron and neutron in an element? X(Atomic no 20, Mass no. 40)

In Thomson atomic model mass of atom is ..... mass of atom in Rutherford model.

Atomic and mass numbers can be

Mass and Charge on Fundamental Particles OF Atom (Electron,Proton and Neutron), Introduction OF Atom (Relative Atomic Mass,Atomic Mass and Gram Atomic Mass), Atomic Mass unit (amu),Solved Class illustrations

Atomic Mass & Molecular Mass

Relative Atomic Mass || Atomic Mass and Gram Atomic Mass || Class Illustration with Short Tricks

Stoichiometry, Atomic Mass, Molecular Mass And Mole Concept

What Is Matter?|Atoms And Molecules|Mole : The Mass - Number Relationship|Molar Mass, Gram Atomic Mass And Gram Molecular Mass|Atomicity And Molecular Mass|Formulae For Mole Calculation|OMR