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1. This group is composed entirely of nonmetals which do not like to react.
2. This group is composed metals that are not found alone in nature and contains among the
most reactive metals.
3. This group contains 2 metals which are among the rarest on earth.
4. This group contains 1 nonmetal which has a high melting point compared to everyone
else in its group.
5. This group is composed entirely of metals that can be commonly found in seashells and
limestone.
6. This group contains the element that is most essential to living things and most essential
to geological things.
7. This group contains elements that can exist in diatomic and polyatomic states.
8. This group contains elements which have theirs and p sublevels full.
9. This group contains the most electronegative element in the periodic table.
10. This group contains the least electronegative elements in the periodic table.
