Compléter Physical and chemical changesVersion en ligne Read the paragraph and select the miss words that complete correctly the activity about physical and chemical changes. par EXIQUIO MALDONADO 1 physical reactivity flammability reacting oxidation chemical combustion different electronegativity evaporate condensate reduced Chemical cooking Matter can transform in ways . Exist and properties , the first chategory is related to the intrinsec properties of matter : density , melting point , boilling point . properties are related to chemical reactions and how chemical substances react with other : , , with other elements . Chemical properties include , , and state . Physical properties are when the substance is not modified , remains the same : when , or being in size .