Periodic Charms

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Across
  1. 3. A column of elements
  2. 5. the total number of protons and neutons in an atom
  3. 7. the number of chemical elements in the periodic system
  4. 9. the electrons in the outermost shell, or energy level, of an atom
  5. 10. elements on the periodic table that are malleable, lose electrons easy , good conductors of heat and typically appear reflective
Down
  1. 1. represents the space surrounding the nucleus where electrons are most likely to be
  2. 2. any of the six chemical elements that make up group 1 of the periodic table
  3. 4. The horizontal rows on the periodic table
  4. 6. a measure of how easily an element will combine with other elements to form compounds
  5. 8. a chemical element that generally lack predominance of matalic property's