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| Description: Matter cannot be created or destroyed. 1. Matter = all material in the universe that has mass and occupies space - Can be transformed - It cannot be destroyed or created - The law of conservation of matter: - - Helps us understand that the amount of matter stays constant - - It is recycled in nutrient cycles and ecosystems 2. Atoms, isotopes, and ions are chemical building blocks - Element = a fundamental type of matter, with a given set of properties - Atoms = the smallest components that maintain an element’s chemical properties - - Nucleus has protons (positively charged particles) and neutrons (no electric charge) - Atomic number = the defined number of protons - Electrons = negatively charged particles surrounding the nucleus - - Balances the positively charged protons Picture Stats: Views: 290 Filesize: 246.01kB Height: 940 Width: 1306 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35598 |