Periodic table
Across
- 2. A element on the periodic table that is shiny and has a mass of 197u
- 3. A element on the periodic table that is used to blow up balloons and has an atomic number of 2
- 4. A element that is the exact opposite of metals
- 6. A horizontal row on the periodic table
- 7. A element that is a mixture of metals and nonmetals
- 9. Someone who had the idea and designed the periodic table
- 11. A soft and silver element on the periodic table that has a mass of 23u
- 12. A chemical on the periodic table that goes by the atomic number 5
Down
- 1. The number above an element on the periodic table(Also symbolizes which element is which)
- 2. A vertical collum on the periodic table
- 3. is A element that is colorless, odorless and has an atomic number of 1 on the periodic table
- 5. The total amount of protons and neutrons in a neuclus
- 8. A hard material with the following qualities: Shiny, solid, malleable, and used a lot in our lives
- 10. A type of substance located somewhere on the periodic table