FORM 2 CHEMISTRY NOTES HANDBOOK FREE
ATOMIC STRUCTURE The atom is the smallest particle of an element that take part in a chemical reaction. The atom is made up of three subatomic particles: (i)Protons (ii)Electrons (iii)Neutrons (i)Protons 1.The proton is positively charged 2.Is found in the centre of an atom called nucleus 3.It has a relative mass … Read more