Atomic structure

Isotopes are atoms of the same element but with different proton numbers

Atomic proton number is the number of protons in the nucleus

M*** number is the number of particles in the nucleus 

 An ion is a positively or negatively  charged atom or a group of atoms 

Protons

+1 Relative m*** 

Positively charge 

Neutrons

+1  Relative m*** 

Neutral charge 

Electrons

1/2000 Relative m*** 

 Negatively…