Across
- 5. an element that is a good electrical and heat conductor
- 6. a pure substance that cannot be broken down
- 7. a change in which one or more substances are converted into different substances
- 8. Vertical column of the periodic table
- 9. refers to the closeness of a set of measurements of the same quantity made in the same way
Down
- 1. the study of substances and processes in living things
- 2. a mixture that is uniform in composition
- 3. anything that has mass and takes up space
- 4. Horizontal row of the periodic table
- 5. an element that has characteristics of metals and nonmetals