Across
- 1. Ions are atoms with a ???
- 7. Nonmetals have ??? density
- 9. Made the modern periodic table
- 14. Indium is in the ??? periodic table group
- 15. The ionic charge of argon is ???
- 17. Uranium is in the ??? periodic table group
- 18. Nonmetals ??? electrons when bonding chemically with metals
- 21. Bohrium is in the ??? periodic table group
- 24. Moseley ordered elements by ??? atomic
- 27. Alkaline Earth Metals have ??? valance electrons
- 29. Many metals will ??? when exposed to air
- 30. The elements on the staircase are ???
Down
- 2. How many electrons can an atoms third shell hold
- 3. Made the first published periodic table
- 4. Transition Metals have ??? oxidation states
- 5. Potassium is in the ??? periodic table group
- 6. How many valence electrons does kalcium have
- 8. Most reactive nonmetal
- 10. Flourine is in the ??? periodic table group
- 11. Least reactive metal
- 12. Halogens are all
- 13. Akali Metals are the ??? metals
- 16. Neon is in the ??? periodic table group
- 19. The elements to the left of the staircase are ???
- 20. Actinides are all ???
- 22. The elements to the right of the staircase are ???
- 23. Metalloids contain ??? of both Metals and Nonmetals
- 25. Lanthanides are grouped in a ??? and not a column
- 26. Metals become ??? when they lose one or more electron
- 28. Noble Gases have ??? valance electron shells