Arya Greer 3/31/25 ps 211 A Vocab chapter 7

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Across
  1. 3. A process that rearranges the atoms in one or more substances into one or more new substances.
  2. 5. A gain of electrons in a chemical reaction
  3. 6. A chemical reaction in which two or more reactants combine into a single, more complex product.
  4. 7. A number placed in front of a chemical formula within a chemical equation that shows how many units of a reactant or product are needed to balance the chemical equation.
  5. 8. A substance that enters into a chemical reaction.
  6. 10. An exothermic chemical reaction in which a fuel reacts with oxygen.
  7. 11. A chemical reaction in which a single reactant breaks down into two or more products.
  8. 13. A substance that is formed during a chemical reaction.
  9. 14. A chemical reaction in which one element in a compound is replaced by another element; also known as a single-displacement reaction.
Down
  1. 1. A chemical reaction in which two compounds swap cations or anions with each other; also known as a double-displacement reaction.
  2. 2. The mass of one mole of a substance.
  3. 4. A combination of chemical formulas and symbols that models a chemical reaction.
  4. 9. SI fundamental unit for the quantity of matter in a substance; a count equal to 6.022 × 1023.
  5. 12. A loss of electrons in a chemical reaction