Periodic Table

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Across
  1. 2. Named after our country.
  2. 3. Abbreviation means "yes" in Spanish.
  3. 5. Same abbreviation as our state.
  4. 7. Mass number is 199.97.
Down
  1. 1. Atomic number is 6.
  2. 4. Has 82 protons.
  3. 6. A neutrally charged atom has 8 electrons.