Chemical Reactions Unit

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Across
  1. 2. When this chemical property changes, you might see a color change
  2. 3. Made of two or more atoms
  3. 4. Water (H2O) and Salt (NaCl), but not Oxygen (O2)
  4. 8. What you combine during a chemical reaction
  5. 9. If you mix these with other elements, nothing happens
  6. 11. These subatomic particles have no mass
  7. 13. Every element has a different one
  8. 15. The law of conservation of mass says that these need to be equal in the reactants and products
  9. 16. These must change during a chemical reaction
Down
  1. 1. When this physical property changes, you might see chunks form
  2. 2. What you have after a chemical reaction occurs
  3. 5. Elements found in the top right side of the periodic table
  4. 6. Elements that conduct electricity
  5. 7. Very reactive elements with one valence electron
  6. 10. You find this by adding the protons and neutrons
  7. 12. Toxic, smelly elements that are highly reactive
  8. 14. Oxygen (O2) and Hydrogen (H2), but not methane (CH4)