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| Description: Basic Principles of Chemistry Chemistry is the science of structure and interactions of matter Matter is anything that has mass and takes up space Mass is the amount of matter a substance contains, whereas weight is the force of gravity acting on a mass Matter exists in 3 forms: Solid Liquid Gas All forms of matter are composed of chemical elements Elements are given chemical symbols such as: O = oxygen C = carbon H = hydrogen N = nitrogen These elements make up the majority of our bodies Picture Stats: Views: 196 Filesize: 632.72kB Height: 612 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40670 |