Across
- 3. This smart guy was the creator of the periodic table
- 6. Oopsie! These types of elements are very brittle and poor conductors of heat.
- 7. Its atomic number is 8, and is 21% of the atmosphere
- 8. These elements are so special, they all belong in Group 17.
- 9. A combination of two elements creates a...?
- 11. gas These elements are unable to react with other elements
- 14. This particle will always have a positive electric charge. Such a nice particle!
- 15. Is a part of the alkali metals and its atomic number is 8
- 16. A transition metal that is in group 8
- 17. With the atomic number 2, this odorless gas can make you voice sound real funny!
Down
- 1. The only nonmetal on the left side of the periodic table.
- 2. Be careful or your feelings may get hurt! This particle has a negative charge.
- 3. These elements like to live on a staircase!
- 4. Is the most abundant metal in the earth's crust, and its atomic number is 13
- 5. Poor particle, it has no charge at all!
- 10. Earth The second most reactive elements
- 12. The periodic table was made to arrange these
- 13. Number The number of protons in the nucleus of an atom
- 18. Highly ductile and malleable, conductors of heat. Bring on the heat!