elements,compounds and mixtures

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Across
  1. 2. number written below chemical symbol that tells how many atoms that element is in the molecule
  2. 6. 2 or more atoms from different elements bonded together in a set ratio
  3. 10. shows the elements in a compound and the set ratio of the atoms
  4. 13. 2 or more atoms from the same element bonded together.
  5. 14. a mixture in which you can see the different parts
Down
  1. 1. a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  2. 3. a substance produced in a chemical reaction
  3. 4. Basic particle from which all elements are made
  4. 5. a number in front of a chemical formula in an equation that indicates how many molecules or atoms of each
  5. 7. mixture in which substances are evenly distributed
  6. 8. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  7. 9. A chemical substance that is present at the start of a chemical reaction
  8. 11. 2 or more substances mixed together but not chemically bonded
  9. 12. anything that has mass and takes up space
  10. 15. A pure substance that cannot be broken down into any other substance by chemical or physical means