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 molecule The matter is composed of small building units called the molecules which are composed of tiny structural units called the atoms, and it is anything that has a mass and occupies space, The...
The molecules The matter consists of very small structural units known as the molecules, The molecule is the smallest part of the matter which can exist freely, and it has the properties of the...