Atoms Review

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Across
  1. 3. The number of electrons in a lithium atom.
  2. 5. The relative mass of an electron.
  3. 6. Atomic number 6 on the periodic table.
  4. 7. The number of electrons in an argon atom's outermost shell.
  5. 9. The path an electron takes around the nucleus of an atom.
  6. 10. A vertical column on the periodic table.
  7. 11. Formed when two or more atoms are chemically bonded to one another.
Down
  1. 1. Where the mass and positive charge of an atom is concentrated.
  2. 2. A small particle in the nucleus of an atom with no charge.
  3. 3. The number of shells a fluorine atom has.
  4. 4. Atom with 12 neutrons.
  5. 6. Discovered that the nucleus of an atom also has neutrons (last name).
  6. 8. Suggested that electrons are evenly distributed throughout an atom (last name).