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| Question | Answer |
|---|---|
| is a solution opaque or transparent | transparent |
| Elements and compounds are classified as...? | pure substances |
| define and give an example of a heterogeneous substance? | parts are not evenly distributed...trail mix, salad dressing |
| define and give an example of homogeneous mixtures | substances are evenly distributed... soda, sugar water |
| define and give an example of compounds | composed of two or more kinds of atoms in a certain ratio... sugar, table salt |
| define and give an example of elements | composed of one kind of atom... aluminum, gold, neon, |
| compare and contrast mixtures and solutions | mixtures can be separated and can also be a solution but solutions can not be mixtures |
| what is a substance | matter for which a chemical formula can be written. |
| what is a mixture | can be in any proportion and the parts are not chemically bonded |
| list 5 different compounds | write any two elements in the periodic table |
| list 5 different elements | cooper, gold, iron, helium |