The atom has three fundamental subatomic particles, namely ________, ________, _________. The atomic number of an atom is always equal to the number of __________ which or the number of ___________. The mass number refers to the total number of _________ and __________ which can be found in the nucleus of the atom. Isotopes are atoms of the __________ element with the same number of _______ but different number of___________. Particles of solid, liquid and gases differ in terms of __________, __________, and _________.​

The Atom Has Three Fundamental Subatomic Particles Namely The Atomic Number Of An Atom Is Always Equal To The Number Of Which Or The Number Of The Mass Number R class=