Across
- 1. name of element such as sodium is also known as the
- 4. # of elements in periodic table
- 5. to the left of the staircase
- 7. second extended group found on the bottom of the table
- 8. 18th group name
- 10. # of groups on table
- 12. first extended group found on the bottom of the table
- 16. to the left of the staircase
- 19. the letters that are what the elements are found by example: Na
- 20. consists of most of the non-metals including hydrogen
- 22. found in the nucleus is positive
- 23. on the staircase
- 24. # of ____ found based on period number
- 25. biggest group of elements
Down
- 2. # found on the top of the element block
- 3. group after transition metals
- 6. the total weight of an atom
- 9. the most ____ are the elements toward the bottom left corner
- 11. 2nd group name
- 13. found on the rings is negative
- 14. the leftover elements that are found at the end of the table
- 15. up to 8 and are found based on group number
- 17. # of periods on table
- 18. found in the nucleus is neutral
- 21. 1st group name