Please answer my question 1.What make each matter unique 2.Why should we know the nature and properties of each substances or mixture 3.how do changes in matter affects your environment and our health
1.All matter is made from atoms. Every substance (oxygen, lead, silver, neon ...) has a unique number of protons, neutrons, and electrons. Oxygen, for example, has 8 protons, 8 neutrons, and 8 electrons.
