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Stack #4535753
| Question | Answer |
|---|---|
| Matter | Anything that has mass and takes up space |
| Density | How much matter is in a certain place |
| Molecules | More than one atom connected together |
| Atoms | Really small particles that can’t be divided or destroyed in chemical reactions or through phase changes. |
| Chemical Change | Molecules that make up old substances can be broken apart and the atoms that make them up can be rearranged into new molecules to make new substances |
| Products | The new substances that are produced from a chemical reaction |
| Reactants | The original substances you start with before the chemical reaction occurs. |
| Solute | The substance that dissolves |
| Soluble | The amount of solute that can dissolve in a given amount of solvent at a given temperature. |
| Insoluble | When the amount of solute can't dissolve |
| Property | A characteristic of a substance that doesn’t change |
| Viscosity | How well a liquid flows |
| Substance | Made of one type of material throughout |
| Mixture | A blend of two or more substances |
| Solution | A type of homogeneous mixtures where a solid is thoroughly mixed in a liquid |
| The 3 Main Phases of Matter | Solid Liquid Gas |
| Homogenous Mixture | A mixture that is so evenly mixed that you cannot see the different parts. |
| Heterogenous Mixture | a mixture where you can easily see the different parts |
| Pure Substance | A single kind of matter that contains only one kind of atom or molecule. |
| Physical Properties | Any property of matter that can be observed or measured without changing the identity of the matter |
| Chemical Properties | Any property of matter that describes a substance based on its ability to change into a new substance |
| Do properties change? | No |
| What does an Oxygen Molecule look like? | O2 |
| What does a compound water molecule look like? | H20 |
| Flammability | How a substance interacts with fire |