atoms
Across
- 2. What is matter made of
- 5. ---------- is made up atoms
- 6. negatively charged sub-atomic particles
- 8. how many proterons does number 7 on the periodic table
- 9. atoms are the -------- unit of matter
- 10. anything that has ---- takes up space
Down
- 1. positively charged sub-atomic particles
- 3. there are ----- parts to an atom
- 4. non-charged sub-atomic particles
- 7. the periodic table has 118 --------