UNIQUE FRIENDS SCHOOLSCOMPOUNDS
A chemical compound is any substance that consists of two or more different chemical elements, chemically bonded/combined together in a fixed ratio.
Elements + Elements
= Compunds
H + Cl = HCl
Element + Element Compound
Chemical compounds have properties different from its consistent elements. That is:
The properties of HCl is different from the properties of H and Cl separately.
HCl is liquid with H and Cl are gaseous at room temperature, combination of two or more same elements is referred to as Molecules.
Element + Element = Molecules
H + H = H2
O + O = O2
Examples of compounds are
Water (H2O)
Hydrochloride acid (HCl)
Sodium chloride (NaCl)
Carbon dioxide (CO2)