Chemistry Vocabulary

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Across
  1. 1. The smallest unit of matter
  2. 2. Group 1 in the periodic table
  3. 3. A row in the periodic table
  4. 6. Has a neutral charge and a mass greater then a proton
  5. 7. Atoms that have the same number of protons
  6. 8. Located above the element symbol
  7. 9. The amount of matter in an object
Down
  1. 1. Group 2 in the periodic table
  2. 4. Atom or molecule that has a different number of protons than electrons
  3. 5. nonmetal that easily combines with other metals often from group 1