Chem 1 Puzzle 2025

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Across
  1. 5. A pure substance made of two or more elements chemically combined.
  2. 7. A particle of matter that defines a chemical element.
  3. 8. The process of using a balanced equation to calculate amounts of reactants or products.
  4. 10. The measure of how much solute is dissolved in a given quantity of solvent.
Down
  1. 1. A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.
  2. 2. The loss of electrons in a chemical reaction.
  3. 3. The gain of electrons in a chemical reaction.
  4. 4. UNIT A shorthand way to show the ratio of ions in an ionic compound.
  5. 6. MASS The amount of mass in one mole of a substance.
  6. 9. COMPOSITION The percentage by mass of each element in a compound.