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science unit
physical changes
Question | Answer |
---|---|
is formed by the combination of two or more elements | compound |
occur when atoms link together in new ways to create substances different from the original substances | chemical reaction |
describes the way a substance reacts with other substances | chemical property |
is a solid formed from the chemical | precipitate |
what are some examples of chemical changes | color, forms tarnish ,releases gas, form precipitate |