Chemical Reactions Vocabulary

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Across
  1. 4. A pure substance made of only one kind of atom
  2. 7. Small number in a formula that shows how many atoms of an element
  3. 9. A symbolic representation of reactants → products
  4. 11. Two or more atoms bonded together functioning as a unit
Down
  1. 1. Number placed before a chemical formula to balance an equation
  2. 2. Substance formed as a result of a chemical reaction
  3. 3. A substance present at the start of a chemical reaction
  4. 5. Combination of element symbols showing a compound’s makeup
  5. 6. Chart that organizes elements by properties
  6. 8. Substance made of two or more elements chemically bonded
  7. 9. Symbol — One- or two-letter shorthand for an element (e.g., H, Na)
  8. 10. Smallest unit of an element that retains its properties