Across
- 4. created from two or more atoms of different elements join to
- 6. the amount of matter made of atoms
- 7. one of the few things not made of atoms
- 8. two hydrogen atoms and one oxygen atom makes this
- 12. along with protons and electrons, these make up atoms
- 13. anything that has mass and takes up space
- 14. there are 118 of these on the Periodic Table
- 15. two oxygen atoms together form this breathable thing
Down
- 1. molecules form when two or more atoms do this
- 2. atoms are _____ than the light waves used by microscopes
- 3. elements are this kind of substance made up of one type of atom
- 5. these type of atoms make elements not the same
- 9. atoms are a type of matter (true/false)
- 10. he created the Periodic Table without an I-Pad
- 11. extremely small particles that make up matter