Elements, Compounds, Mixtures, Molecules

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