According to _______________ atomic theory atoms consisting of subatomic particles like electrons ,protons and neutrons.
According to ______________ atomic theory an atom is the smallest unit of matter which takes part in a chemical reaction
According to _______________ atomic theory atoms are divisible and destructible
Oxygen has_________ isotopes.
According to _______________ atomic theory atoms are neither created nor destroyed.
______________ was an ancient greeck philosopher studied the nature of the matter and the basic constituents of all substance.
__________________ discovered that cathode rays are deflected by magnetic and electric field.
Sir.J J thomson
_____________ gains three electron in its valence shell forming an anion with three negative charge.
According to _______________ atomic theory,matter consists of small indivisible particles called atoms.
_______________ loses two electrons from its valence shell forming a cation.