Across
- 2. negatively charged subatomic particle
- 3. number, number tells us how many protons are in the atom of that element
- 6. smallest piece of an element that makes up everything
- 7. number, total amount of protons and neutrons
- 8. positively charged subatomic particle
- 10. table, chart of the elements arranged in rows and columns according to their physical and chemical properties
- 11. center part of the atom contains the protons and neutrons
Down
- 1. the neutrally charged subatomic particle
- 4. substance containing atoms of two or more different elements
- 5. rows on the periodic table
- 9. a column on the periodic table