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science study guide1
physical science study guide
| Question | Answer |
|---|---|
| What is a atom? | The smallest chemical unit of matter. |
| what is a molecule? | Two or more atoms linked together to make a substance with unique properties. |
| What is concentration? | The quantity of a substance within a certain volume. |
| Have scientists actually seen atoms? | No |
| Give the numerical meaning for the prefix "centi". | .01 |
| give the numerical meaning for the prefix "milli". | .001 |
| give the numerical meaning for the prefix "kilo". | 1,000 |
| a statue is made out of copper and displayed outside. after many years, what color will the statue be? | blue,green |