Across
- 2. What is the shorter word for the element Cerium.
- 4. A stable subatomic particle with a charge of negative electricity.
- 6. Shorter version of Atomic Mass Unit.
- 7. The positively charged central core of an atom.
- 8. The basic unit of a chemical element.
- 10. Name of group two on the periodic table.
- 12. A thing that is composed of two or more separate elements; a mixture.
- 14. What does Fe stand for in the periodic table.
- 15. Is Bromine solid,liquid,or gas.
Down
- 1. The region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital.
- 3. The mass of an atom.
- 4. What number of group is Noble Gasses in the periodic table.
- 5. The number of proton for Oxygen.
- 6. The number of protons in the nucleus of an atom.
- 9. A part or aspect of something abstract, especially one that is essential or characteristic.
- 11. IS Gold solid,liquid,or gas.
- 13. A stable subatomic particle occurring in all atomic nuclei, with a positive electric charge.