Periodic Table Review Worksheet With Answer Key Page 6
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8Directions: Complete the chart using a periodic table.
Element
Valence
Reactivity
M, NM, or MT
Symbol
Electrons
(high,
m edium,
n on)
group 14, period 2
Si
MT
4
meduim
group 2, period 2
Be
M
2
meduim
group 1, period 1
H
NM
1
high
group 18, period 3
Ar
NM
8
non
group 13, period 5
In
M
3
meduim
group 17, period 4
Br
NM
7
high
group 1, period 3
Na
M
1
high
Directions: For each of the following, label as a metal (M), nonmetal (NM),
and/or metalloid (MT)
NM
MT
Poor conductor of electricity
Silicon
M
NM
Usually a solid at room temp
Most are a gas at room temp.
M
M
Ductile
Cobalt
NM
M
Chlorine
Good Conductor
NM,
MT
Semi-conductor
Brittle
MT
M
NM
Malleable
Oxygen
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