Across
- 3. what metals are apart of “d” block?
- 7. How many valence electrons does beryllium?
- 8. What element is group 18 period 2?
- 10. What group of elements has 2 valence electrons?
- 11. What block is cesium in?
- 12. What block is Lanthanides apart of?
- 13. What is the lightest element?
- 16. What element is group 8 period 5?
- 17. What element is group 15 period 3?
- 19. How many Unknown properties are there?
Down
- 1. What element is atomic number 24?
- 2. What is the lightest noble gas?
- 4. What is the name of the number of protons in an element?
- 5. What is protons+neutrons?
- 6. What element has the element symbol “Na”?
- 8. What element is group 15 period 2
- 9. What element is group 10 period 4?
- 14. What element has the highest atomic number?
- 15. What element has an element symbol “Li”?
- 18. How many elements are in Alkali Metals?