Use your periodic table to complete the following by filling in the blanks: de-
: The most chemically
metals. These metals are
found in Group
All the alkali metals have valence electron that allows them to
easily
with nonmetals. Although Hydrogen () is the first element in
Group 1, it is NOT an alkali metal. Hydrogen is placed in this group because, like alkali
metals, it has valence electron.
ch...
hys...
The metals in Group 2. These metals are
highly
but are slightly less reactive and harder than the Group 1 metals.
The reactivity of Group 1 and Group 2 metals
with increasing atomic number.
Transition metals
: The metals in Groups
melting points.
are usually
solids with