Across
- 4. _____ is at the top right of each element
- 8. Periods have the same number of occupied ______
- 9. Group 2
- 10. Noble gases have a _____ which makes them stable
- 14. Most Reactive Nonmetal
- 15. HONClBrIF are special because they are ____
- 16. elements 93 and higher are ____ meaning they are manmade
- 17. ____ is also equal to the atomic mass
- 19. Group 17
- 20. hydrogen and ____ only need 2 electrons to be stable
Down
- 1. Atomic mass is a _____ of masses
- 2. only mercury and ____ are liquid at stp
- 3. Groups share _____
- 5. ____ have multiple oxidation states and colored ions
- 6. ____ has properties of metals and nonmetals
- 7. mass number is equal to ____ + neutrons
- 11. Group 1
- 12. Group 18
- 13. ____ is what the periodic table is sorted by
- 18. Most Reactive Metal