Across
- 3. substance containing two or more different elements
- 4. abbreviations for chemical elements
- 5. the amount of space occupied by a substance
- 8. a column of elements in the periodic table
- 10. number of protons and neutrons in an atomic nucleus
- 13. a small glass tube used for experiments in science
- 14. the number of protons in the nucleus of an atom
- 15. a table of chemical elements
- 16. anything that occupies space and has mass
Down
- 1. the smallest particle of an element
- 2. a small gas burner used as lab equipment
- 6. a scientific procedure to test something
- 7. a small portion of matter
- 9. two or more atoms chemically joined
- 11. substance containing only one type of atom
- 12. a row of elements in the periodic table