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phys and chem change
| Question | Answer |
|---|---|
| A change that occurs without changing the identity of the substance. | Physical Change |
| A change that occurs by changing the identity of the substance. | Chemical Change |
| When 2 or more substance are combined physically. | Mixture |
| When 2 or more substances are combined chemically and can't be separated by physical means. | Compound |
| A mixture where parts are mixed evenly throughout (same). | Homogeneous mixture |
| A mixture where parts are uneven throughout (different). | Heterogeneous mixture |
| A type of mixture where the solute is dissolved/mixed evenly in the solvent. | Solution |
| The part of the solution that dissolves. | Solute |
| The part of the solution that the solute dissolves in. | Solvent |
| The smallest unit of matter | Atom |
| One of the 100 or more units that make up all matter, and found on the Periodic Table. | Element |
| The amount of matter in an object. | Mass |
| The elements and compounds you start with in a reaction/equation. | Reactant |
| The elements and compounds that you end with in a reaction/equation. | Product |
| The ability to react with another element or compound. | Reactivity |
| The number in front of the molecule. | Coefficient |
| The number to the bottom right of an element that tells how many atoms there are of that element. | Subscript |
| Group 1 a highly reactive group of metals that makes compounds with Group 7 (17). | Alkali metals |
| Group 7 (17) a highly reactive group of non-metals that makes compounds with Group 1. | Halogens |
| Group 8 (18) a group of non-reactive, non-metals that are all gases at room temperature. | Noble gases |
| The smallest unit of living things. | Atom |
| Thepart of the cell where energy is made through cellular respiration. | Mitochondria |
| The part of the plant cell where photosynthesis occurs. | Chloroplast |
| The control center for the cell. | Nucleus |
| The part of cell where proteins are made. | Ribosomes |
| The part of the cell where water, food, and waste is stored. | Vacuole |
| A sugar molecule used for energy | Carbohydrate |
| An organic compound that makes up fats and oils in living things. | Lipid |
| An organic compound made of amino acids that do the work in a cell. | Protein |
| The molecules that carry the instructions for the cell (RNA and DNA). | Nucleic acid |
| A sugar made from carbon, hydrogen, and oxygen. | Glucose |
| The process plant cells use to make glucose. | Photosynthesis |
| The pigment in chloroplast that traps the energy in sunlight. | Chlorophyll |
Created by:
womackbm
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