Chemistry

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Across
  1. 7. same number of proton and electron but different number of neutron
  2. 8. reactant has a higher energy than product
  3. 9. increasing the concentration of reactants can increase the rate of reaction
  4. 10. the particles mix and spread by colliding with other moving particles
Down
  1. 1. separate solid from a liquid
  2. 2. two or more atoms which are chemically bonded
  3. 3. product has a higher energy than reactant
  4. 4. using electricity to coat one metal with another metal
  5. 5. breaking down of ionic compound using electricity
  6. 6. gas to liquid