Across
- 5. is the number equivalent to the protons and neutrons of an atom
- 6. these metals are found in groups 3-12
- 11. the name of the group 16 in The Periodic Table
- 12. is a table that lists all elements in a certain order
- 13. least reactive the non metals also known as?
- 14. the name of the group 17 in The Periodic Table
- 16. these elements found along the staircase to separate the metals and noble gasses
- 17. a chemical property that determines how elements will react with others to form a compound
- 19. the name of group 15 in The Periodic Table
Down
- 1. is an electron that is associated with an atom, and that can participate in the formation of a chemical bond
- 2. the name of group 1 in The Periodic Table
- 3. horizontal rows
- 4. the name of group 13 in The Periodic Table
- 5. the name of group 2 in The Periodic Table
- 7. the elememts that are to the right of the stair case are categorized
- 8. the element that are to the left of the stair case are categorized
- 9. is the number of protons found in the nucleus of the atom and is also how the elements are organized in the periodic table
- 10. most reactive the metals also known as?
- 15. vertical columns
- 18. the name of group 14 in The Periodic Table