Column A Column B
a
gas, nonreactive (stable)
a. Group 18(8A) Noble gases
2.
b. Group 13(3A)
conducts electricity under some conditions,
semiconductors
least reactive groups, four valence electrons
3
C Group 15(5A)
4
d. Metals
5
e. Group 1(1A)
f. Group 177A)
6
g Group 16(6A)
solid, malleable good conductor of heat and
electricity two valence electrons
lustrous soft solid, malleable good conductor of
heat and electricity reacts strongly with water
one valence electron
poor conductor of heat and electricity reacts
easily with many elements seven valence
electrons
poor conductor of heat and electricity five
valence electrons
poor conductor of heat and electricity six
valence electrons
solid conducts electricity under certain
conditions three valence electrons
has luster (shiny) solid conducts heat and
electricity
7
h. Group 14(4A)
8
i. Group 2(2A)
j. Metalloids
9.
10.