Chemistry Vocab

1. This happens when the identity of a substance changes.
3. A high-temperature state of matter in which atoms lose most of their electrons.
4. Has neither definite volume nor shape.
6. A broad generalization that explains a body of known facts or phenomena.
7. Has a definite volume and shape.
8. This is a change that does not affect the identity of the substance.
10. Has a definite volume but an indefinite shape.
13. Closeness to the correct or accepted value.
14. Measurements represent ____________. A __________ is something that has magnitude, size, or amount.
15. The system of measurement used in science, such as meter, kilogram, second, kelvin, mole, ampere, and candela.
16. ______ is the measure of gravitational pull on matter.
17. The name for this comes from the Greek word for indivisible.
18. These make up the periodic table.
20. composed of two or more separate elements held together by chemical bonds.

2. A testable statement that serves as the basis for predictions and experiments.
5. A scientific approach to solving a problem or answering a question.
9. Closeness of values for a set of measurements.
11. _______ is the ratio of mass to volume.
12. All matter has _______ and takes up space.
19. The is a measure of how much space matter takes up.