Across
- 2. a law in chemistry
- 3. being reshaped or deformed is called
- 5. electrons that are located in the outermost energy level
- 9. organized array of all chemical elements
- 10. how an individual seeks to be a scientist
- 11. charged atoms are called?
- 12. energy ____ arrange electrons
- 13. a division of geologic time
Down
- 1. a property of matter
- 2. ____ have a positive charge
- 4. number of protons in the nucleus
- 6. ____ have no electrical charge
- 7. interactions of atoms
- 8. a column in the periodic table