Across
- 2. Subatomic particle with no charge
- 3. Shiny
- 7. number of protons
- 11. A substance that cannot be broken down
- 12. A substance made of mixing other substances
- 13. A type of element found on the periodic table
- 14. Subatomic particle with a positive charge
- 16. An elemental substance which has properties of metals and non metals
- 17. Something that is the creation of everything
- 18. where protons and neutrons are in an atom.
Down
- 1. Conducts electricity well
- 4. Easily broken
- 5. number the sum of protons and neutrons in an atom
- 6. A group of atoms bonded together
- 8. Can be made into a wire
- 9. An elemental substance that isn't a metal
- 10. Subatomic particle with a negative charge
- 13. Can be bent
- 14. test to test if a combustible gas is present by hearing a pop.
- 15. A mixture of two different substances