Matter unit

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Across
  1. 3. - A substance or molecule that participates in a chemical reaction
  2. 7. - A term used to describe a material that can be pulled out into a long wire.
  3. 8. - flexible; can be shaped;Can be pounded into a shape
  4. 9. - A substance produced in a chemical reaction
  5. 10. of conservation of mass - The principle that the total amount of matter is constant during any physical or chemical change (matter is neither created nor destroyed during these types of changes).
Down
  1. 1. - 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.
  2. 2. reaction - A change in which one or more substances are converted into new substances.
  3. 4. equation - A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  4. 5. - The "" sign in a chemical reaction; means to make or produce.
  5. 6. - A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound