Across
- 2. earth metals, the family that contains calcium and magnesium
- 4. the period with 3 electron shells
- 5. the number of elements in Period 1
- 6. shell, the place that holds the electrons used to decide an element's family
- 8. gases, the family with full outermost electron shells
- 12. the categories that are vertical
- 17. the compound of a halogen and another element
- 20. metals, can have more than 8 electrons on the second outermost shell
Down
- 1. The atomic number of the first transition metal on the periodic table
- 3. the number of these on your outermost shell determines your family
- 7. the amount of these determines the element's period
- 9. the kind of solution you get when you mix in an alkali earth metal
- 10. electrons, the name for the electrons on the outermost shell
- 11. how many elements alkali metals has
- 13. the fifth alkaline earth metal
- 14. the first element of the first period
- 15. the family that contains 7 electrons on their outermost shell
- 16. metals, the family with 1 electron on their outermost shell
- 18. Where will you never find a bonded noble gas?
- 19. the categories that are horizontal