Across
- 2. Chlorine, Bromine and Iodine are in this section of the periodic table
- 5. This substances chemical symbol comes from a Roman word
- 9. Section of the periodic table
- 10. Another word for markings
- 11. A group of atoms bonded together
- 13. A metal found in thermometers
- 14. Has a positive electric charge
- 15. A substance used in science
- 17. A small piece of matter eg dust
- 19. Same mass as a proton without an electric charge
Down
- 1. Found in coal
- 3. Opposite to positive
- 4. Solid and shiny substance eg Silver
- 6. Everything around us is made of these
- 7. Found in all atoms, it has a negative charge
- 8. A table which is made up of chemical symbols of metals and non metals
- 10. A chemical when heated turns yellow and gummy
- 12. Made up of 2 or more elements that cannot be separated
- 16. A gas made by the human body
- 18. A shiny pure metal, with a chemical symbol that starts with an F