Periodic Table
Across
- 4. an element's letter
- 6. metals that can be hammered, pounded, or pressed
- 8. this makes of 75% of the elements in the periodic table
- 9. positively charged
- 11. there are 17 of these types of elements in the periodic table
- 13. total number of protons and neutrons
- 15. the number of protons in an atom
- 18. elements in a column
- 19. the lanthanide elements and actinide elements
- 20. group 1
Down
- 1. has protons and neutrons in it
- 2. elements can be grouped in families by this
- 3. elements in each family will do this differently with other elements
- 5. their properties have characteristics that are in between metals and nonmetals
- 7. negatively charged
- 10. zero charge
- 12. these include metals, nonmetals, and metalloids
- 14. group 3
- 16. horizontal rows of the periodic table
- 17. each family has this to differentiate itself from other families on the periodic table