Atoms and Elements
Across
- 2. This is made up of elements
- 4. Which subatomic particles has no mass
- 7. Protons and neutrons added together
- 10. Name of period 7 on periodic table
- 11. Atoms that have the same atoms atomic number but different atomic mass
- 14. Who created the current periodic table
- 15. Electron configuration of 1s2 2s2 2p6 3s2 3p6
- 16. Electrons move around the nucleus, "Who's theory"
- 17. Electron configuration of 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4p2
- 18. A element that has a additional electron or one fewer electron
- 19. What is the rarest element on earth
- 20. No Charge
Down
- 1. Name of Group 18 on the periodic table
- 3. what is the isotope of carbon with 6 protons and 8 neutron
- 5. Different pieces of the atom
- 6. What type of element is Silicon
- 8. Electron configuration for [Kr] 5s2 4d4
- 9. Found in the top left of each box in the periodic table
- 12. what is between groups 2 and 13
- 13. What number is unique to every element on the periodic table