Across
- 1. a subatomic particle
- 4. an atomic orbital is mathematical function matter classical physics and general chemistry
- 6. A pure substance made of only one kind of atom
- 7. symbol A one or two letter representation
- 8. a charged atom
- 9. a model of an atom and a chemical bond
- 10. A group of atoms bonded together
- 11. Electrons on the outermost energy atom
- 14. a source of nuclear energy
Down
- 2. may be thought of as an orbit
- 3. the number of protons in the nucleus of atom
- 5. an positive charged particle
- 6. negatively charged particle
- 8. Atoms of the same element
- 12. mass The average mass of all the isotopes
- 13. Control center of the cell