Across
- 3. Element with 2 proton
- 5. Rows on the periodic table
- 8. The lightest element known
- 9. Chemistry that relates to non carbon compounds
- 10. When two or more compounds are mixed together but not chemically combined
- 11. Number of protons in an element
- 12. A substance that has a bitter taste, is slippery to the touch and reacts with acids to form salts
- 14. The starting/participating substances in a chemical reaction that are changed
- 15. Diagram of elements
- 16. Ionic compund produced by reacting an acid with base
- 17. Neutral subatomic particals present in every atom except hydrogen
Down
- 1. When two elements combine together
- 2. Creator of the periodic table
- 3. Measures the relative densities of two liquids
- 4. Same number of protons different number of neutrons
- 6. An atom or molecule with a net electric charge
- 7. The quantity of matter that an object contains
- 8. A type of mixture that cannot pick apart a solution
- 13. A substance with just one type of atom