They are all chemical compounds. They expand to occupy the volume are put in. The three "basic" states of matter are solids, liquids and gases. In general, solids hold their shape and will...
It is impossible that all the properties of two substances will be identically.
Physical and chemical................
It is a gas at room temperature, pure ozone is rather reactive and more flammable than regular oxygen, and it is colorless.
non metals and They are metals and the form univalent positive ions (+1) when reacting with nonmetals like oxygen or halogens