Atomic Theory
Across
- 5. first “scientist” to have something similar to our modern atomic theory
- 7. stable subatomic particle with a + charger
- 9. stable subatomic particle with no charge
- 12. first scientist to have electrons and neutrons in his atomic theory
- 13. smallest unit of ordinary matter
- 14. First English scientist to introduce atomic theory
Down
- 1. Stable subatomic particle with a - charge
- 2. one of the earliest “scientists” to realize that atoms are the only thing that cannot be cut anymore
- 3. One of the first models of the atom made by jj Thompson
- 4. first atomic theory model to have protons and neutrons orbiting the neucleus
- 6. this theory is all matter combines to make atoms
- 8. One of the first atomic models to show the nucleus also the scientists was born in New Zealand
- 10. mathematically proves that atoms exist
- 11. credited with being the first scientist to discover the electron and neutron
- 15. A philosophy stating that all matter in the universe is made of indivisible units called atoms