Chemists use symbols to express elements easily, The symbol of any element is represented by its atom, The atom is the fundamental building unit of matter, It is the smallest individual unit of matter...
The nucleus occupies a small space from the volume of the atom, It contains a number of nucleons ( protons and neutrons), Protons are positively charged & neutrons do not have a change , But...
Matter is composed of atoms , These atoms show the physical and chemical properties of the matter , By the end of the nineteenth century , Scientists had become sure that electrons are from...
