Elements, Compounds, Mixtures, Molecules

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