Foundations of Chemistry
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20 terms
Terms | Definitions |
|---|---|
 Matter | Anything that has mass and takes up space |
| Atom | A small particle that is a building block of matter |
| Electron | Negatively charged particles that surround the nucleus of an atom |
| Proton | Positively charged particle that is in the nucleus of an atom |
| Neutron | Neutrally charged particle that is in the nucleus of an atom |
| Substance | Matter with a composition that is always the same |
| Element | A substance that consists of just one type of atom |
| Compound | A type of substance containing atoms of two or more different elemetnts chemically bonded together |
| Mixture | Matter that can vary in composition |
| Heterogeneous Mixture | A type of mixture in which the individual substances are not evenly mixed |
| Homogeneous Mixture | A type of mixture in which the individual substances are evenly mixed |
| Dissolve | To form a solution by mixing evenly |
| Physical Property | A characteristic of matter that you can observe or measure without changing the identity of the matter |
| Mass | The amount of matter in an object |
| Density | The mass per unit volume of a substance |
| Solubility | The ability of one substance to dissolve in another |
| Physical Change | A change in size, shape, form, or state of matter in which the matter's identity stays the same |
| Chemical Property | A characteristic of matter that can be observed as it changes to a different type of matter |
| Chemical Change | A change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties |
| Concentration | The amount of substance in a certain volume |
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