Across
- 2. Periodic Table element known as Superman's ultimate weakness.
- 5. The smallest particle of an element
- 6. Element with the periodic table symbol "Sb"
- 7. Element with the periodic table symbol "H"
- 10. Chemical name for Water.
- 12. An atom or a group of atoms that carries an electric charge
- 13. A negative ion; an atom or goup of atoms that has gained one or more electrons
- 14. The only periodic table element that does not solidify
- 15. A subatomic particle with a positive charge
- 16. The required eyewear when a chem lab is going on!
- 17. The first name of Mr. Erlenmeyer, after whom a popular laboratory flask was named.
- 18. The only metal that remains liquid at room temperature
Down
- 1. The most common gas in the Earth's atmosphere
- 3. A chemical process where plants, algae and cyanobacteria use energy from the sun to convert carbon dioxide into sugar.
- 4. What humans breathe out
- 8. This well-known feline brings smiles to every chemists face when seen.
- 9. Large pincers made of welded steel often used to manipulate hot objects.
- 10. Russian chemist credited with being the creator of the first version of the periodic table of the elements.
- 11. Helium, Xenon and krypton belong in this group of elements