Ch 4_5 Vocab

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Across
  1. 2. a vertical column of the periodic table
  2. 5. the horizontal row of the periodic table
  3. 8. has a negative charge and essentially no mass
  4. 9. an atom that has gained an electron (negative)
  5. 10. an atom that has lost an electron (positive)
  6. 13. contains the mass of the atom
Down
  1. 1. an atom that has a different mass than other atoms of the same type due to more neutrons
  2. 3. a counting unit representing 6.02 x 10^23 particles
  3. 4. the positive particle that has a mass of 1 amu
  4. 5. a particle of light energy
  5. 6. the location where an electron is likely to be found
  6. 7. a particle that has mass but does not have a charge
  7. 11. atomic mass unit, how the mass of atoms is measured
  8. 12. an atom that has either lost or gained an electron