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Across
  1. 1. Which group contains most reactive metal?
  2. 5. The electronic configuration for the _ _ _ _ _ _ _ _ _ shell's limit is always 2
  3. 8. What is the 118th element on the periodic table?
  4. 10. In the periodic table, there are _ _ _ _ _ _ _ _ _ _, non- metals and metals.
Down
  1. 2. All elements in the same period have the same number of protons and _________
  2. 3. What is the number of protons in an atom the same as? Is it Atomic Number or Outermost electrons?
  3. 4. Which group of metals is the most reactive?
  4. 6. The Noble metals is the least reactive group because their outermost shell is _ _ _ _ __
  5. 7. This noble gas is the most reactive
  6. 9. The _ _ _ _ _ _ _ _ _ _ _ _ consists of electrons in an outermost shell