Crossword

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Across
  1. 5. It is a symbolic representation of all the elements present in a compound.
  2. 7. It is the smallest unit of matter.
  3. 12. It is the percentage of an element present in a compound.
  4. 13. It is a pure substance.
  5. 16. The measuring system that uses inches, quartz,feet, etc.
  6. 17. It is a table of all the elements, arranged by their atomic number.
Down
  1. 1. It is the total atomic mass present in a compound.
  2. 2. 6.022x10^23
  3. 3. He is the scientist who made "6.022x10^23"
  4. 4. One unit of this is equal to Avogadro's number.
  5. 6. It is the average mass of an atom found in the periodic table.
  6. 8. It is the first element in the periodic table.
  7. 9. It is a substance composed of two or more chemical elements.
  8. 10. It is the simplest whole number ratio of a compound.
  9. 11. The measuring system that uses meters, grams, liters, etc.
  10. 14. It is a method of converting a unit to another unit in an organized manner.
  11. 15. It is the simplest whole-number multiple of a compound