Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
if you want to stay healthy you always have to eat good foods and go to the gym to stay in shape.if you eat good foods like your fruits and vegetables those are good for you body and help you too.
