Across
- 3. mass of one atom of an element calculated from the total number of protons
- 7. how a substance interacts with other substances
- 8. Formed when more than one element on the periodic table are combine
- 9. a group of 18 elements in the periodic table
- 10. the horizontal row on the periodic table
Down
- 1. number of protons in the nucleus of one atom of an element
- 2. Located on the right side of a periodic table
- 4. The melting of ice is a....
- 5. Can define anything that has mass and occupies space.
- 6. the vertical rows on a periodic table