Across
- 2. Row in the periodic table
- 4. Amount of matter in an object
- 8. electron Outermost electrons in an atom
- 11. Big molecule becomes two little ones
- 13. Recipe that describes what you need to do to make a reaction take place
- 14. Solid that gets dissolved in a solution
- 15. Elements in group 17, very reactive
Down
- 1. Contains more than one atom
- 3. Higher energy level that electrons jump to when energy is added
- 5. Liquid that dissolves the solid in a solution
- 6. Anything that gives off H+ ions in water
- 7. One big molecule from two smaller ones
- 9. A molecule containing carbon and hydrogen
- 10. mass The mass of one mole of particles
- 12. Result of a chemical reaction