Chemvocab Word Scramble
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| Question | Answer |
| Chemistry | the study of the properties of matter, and how matter changes. |
| Physical Property | characteristic of a substance that can be observed without changing it into something else. Examples: density,meltingpoint, boiling point. |
| Density | a measure of how heavy something is for its size. MASS /Volume |
| Chemical Property | Characteristic observed when a substance changes into a different substance. Examples: burning, rusting |
| Element | substance that can't be broken into other substances by either physical or chemical means. Represented by a 1 or 2 letter SYMBOL. Examples: hydrogen(H) |
| Compound | two or more elements chemically combined in a set ratio. |
| Formula | uses symbols and numbers to show the ratio of elements in a compound. Examples: H2O |
| Mixture | two or more substances in the same place that are not chemically combined. Examples: milk, salt, and pepper |
| Chemical Reaction | a change in matter that forms 1 or more new substances. Also called a CHEMICAL CHANGE. Example: the reaction of sodium and water. |
| Chemical Equation | short, simple way to describe a chemical reaction using symbols and formulas instead of words. Example: C + 02 |
| Reactants | the substances you start with in a chemical reaction. To the left of the arrow. |
| Products | the substances you end up with in a chemical reaction. To the right of the arrow. |
| Atom | the smallest particle of an element |
| Molecule | a particle made up of 2 or more atoms. |
| Chemical Bond | the force that holds atoms together. During a chemical reaction, chemical bonds are either formed or broken apart. |
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