Hydrogen is in group 1a of the periodic table, known as the alkali metals, although it obviously isn't a metal. what is the reason for its placement in this group?
a) hydrogen has the same electron configuration as alkali metals.
b) hydrogen is a metal, but has an extremely low vaporization point.
c) there isn't room for hydrogen on the right side of the table with other nonmetals.
d) scientists didn't want to reconfigure the periodic table after they discovered that hydrogen wasn't a metal.