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3 Cards in this Set
- Front
- Back
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5 signs of a chemical change |
1: production of odor 2: heat or light is produced. change in temperature 3: change in color (BEWARE) 4: bubbles form (gas produced) 5: formation of a solid from a solution |
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difference between an element a compound and a mixture |
element: cannot be chemically separated into a simpler substance compound: two or more elements joined chemically mixture: two substances that are not chemically combined |
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the parts of an atom and where they are in the atom |
the parts of an atom are the nucleas, protons, neutrons, and electrons the protons and neutrons are in the nucleas and the electrons are in the electron cloud |
