Chemical Reactions Crossword

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Across
  1. 4. 6.02x1023
  2. 5. Calculate the mass, in grams, of 3.00 moles of calcium chloride. (round to the nearest tenth)
  3. 9. the unit of mass for subatomic particles
  4. 10. What is the molar mass of Al2O3? (nearest whole number with units)
  5. 12. a group of atoms bonded together
  6. 14. a standard scientific unit for measuring large quantities of very small entities such as atoms or molecules
  7. 15. the volume of one mole of gas
  8. 16. an extremely small piece of something – can refer to either atoms or molecules
  9. 18. the relationship between the relative quantities of substances taking part in a reaction or forming a compound
  10. 19. the reactant that restricts the amount of product that can be made in a chemical reaction
Down
  1. 1. the lightest of the subatomic particles
  2. 2. a weighted average of the isotopes of a particular element
  3. 3. the subatomic particle with a positive charge
  4. 6. How many moles are present in 100 g of Al? (round to the nearest hundredth)
  5. 7. How many molecules are in 108 grams of water? (rounded to the nearest hundredth)
  6. 8. the basic unit of a chemical element
  7. 11. The number of molecules of oxygen required to react with 2 moles of propane in a complete combustion reaction.
  8. 13. the reactant that there is extra of in a chemical reaction.
  9. 17. atoms of the same type with different numbers of neutrons