Elements, Compounds, Mixtures, Molecules

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