Chemistry

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Across
  1. 2. A chemical reaction where one compound breaks down into two or more simpler substances
  2. 6. The number of particles in one mole equal to 6.022 × 10²³
  3. 8. A chemical reaction where two or more substances combine to form a single product
  4. 9. Reaction A reaction where two compounds exchange ions forming two new compounds
  5. 10. The mass of one mole of a substance measured in grams per mole (g/mol)
  6. 11. A reaction where a substance reacts with oxygen releasing energy in the form of heat and light
Down
  1. 1. Matter cannot be created or destroyed in a chemical reaction the mass of the reactants equals the mass of the products
  2. 3. The simplest whole-number ratio of atoms in a compound
  3. 4. Reaction A reaction where one element replaces another in a compound
  4. 5. The actual number of atoms of each element in a molecule of a compound
  5. 7. A unit that measures the amount of a substance equal to 6.022 × 10²³ particles