Periodic Table
Across
- 3. Is a solid
- 6. Is a metal
- 7. who created the 1st periodic table?
- 8. Which element is in the fourth series and the third representative family?
- 10. which nonmetal is liquid
- 11. Which metal is a liquid?
- 14. In which period is aluminum
- 15. Is a liquid with six energy levels?
- 17. what is the energy required to remove an e from an atom?
- 20. who used X-ray technology to measure the nuclear charge and atomic # of elements?
Down
- 1. what has the reduction of the attractive force between a nucleus and its outer e due to the blocking effect of the inner e?
- 2. It is an akali metals?
- 4. what describes an element's tendency to undergo chemical reactions?
- 5. what is measured as half the distance between the nuclei of atoms of an element?
- 9. Which is element is a gas with six valence electrons?
- 12. which elements is a anion?
- 13. what measures of how strongly atoms attract bonding e to themselves?
- 16. In which group is astatine?
- 18. what has the properties of elements will reoccur in a periodic fashion if they are arranged in order of increasing atomic #?
- 19. what is a neutral particle having equal number of p+ and e-?