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1-1 & 1-3
Bonnie Branch 8th grade 1-1 & 3
Question | Answer |
---|---|
Chemistry | The study of the properties of matter and how matter changes |
Compound | A substance made of two or more elements chemically combined |
Physical change | A change that alters the form or appearance, but does not make the material into another substance |
Element | A substance that cannot be broken down into other substances by chemical or physical means |
Formula | A combination of symbols that shows the ratio of elements in a compound |
Chemical change | A change in matter that produces new substances |
Atom | The smallest particle of an element |
Mixture | Two or more substances that are mixed together, but not chemically combined |
Chemical reaction | A process in which substances undergo chemical change |
Symbol | Usually one- or two-letter set of characters that is used to identify an element |
Chemical bond | The force that holds two atoms together |
Molecule | A combination of two or more atoms that are bonded together |