Periodic Table
Across
- 2. what do you put int the boxes for electron configurations
- 4. a diatomic element that starts with F
- 5. electron configuration ends in 3d7
- 7. electron configuration ends in 3s1
- 8. electrons added/ ion has a negative/ charge
- 10. atomic number of 12
- 11. The only metal that's not a solid
- 12. most elements are ____
- 16. metaloids are
- 17. can be made into a thin sheet
- 20. electrons are found in _____
- 23. what's a noble gas that starts with a K
- 27. has an electron configuration of 1s2 2s2 2p4
- 28. A liquid element that isn't Mercury
- 29. column 8a on the periodic table is also known as the __gases
Down
- 1. how many electrons can fit in an f-subshell
- 3. has 19 protons
- 6. how many unpaired electrons does Oxygen have
- 7. the only orbital in the first subshell level
- 9. rows on the periodic table are also known as_____
- 13. metals are found on the ____ side of the periodic table
- 14. when you add or remove electrons an ____ is formed
- 15. between and metal and a nonmetal
- 18. earth what is column 2a known as
- 19. configuration a condensed way to write electron addresses that give almost as much info as the boxes
- 21. how many electrons fit in the d-subshell
- 22. electron configuration ends in 4d9
- 24. a neutral atom has the same amount of electrons and ____
- 25. the inner unreactive electrons are___
- 26. when we remove electrons and the ion has a positive charge