1. No category

Chemistry 4-2: Organization of the Periodic Table
Answer Key: Worksheet
Define “period” in relation to the periodic table.
A period is a row on the periodic table.
Define “family” in relation to the periodic table.
A family is a column on the periodic table.
For each of the following, use the periodic table to determine the number of
valence electrons in an atom of the element.
8 Ne
6 S
2 Mg
4 Sn
4
C
6 Te
1 Cs
5 Bi
7 Br
3 Ga
3
Al
5
P
For each of the following, use the periodic table to determine the number of
occupied energy levels in an atom of the element.
2 Ne
3 S
3 Mg
5 Sn
2
C
5 Te
6 Cs
6 Bi
4 Br
4 Ga
3
Al
3
P
What is meant by the term “metalloid?”
A metalloid is an element that shares characteristics with both metals and nonmetals.
For each of the following, use the periodic table to determine if the
element is a metal (M), nonmetal (NM), or metalloid (ME).
M W
NM S
M Mg
ME B
M Ca
NM Ar
NM H
M Cs
M Zn
NM Br
ME Sb
M
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U
Chemistry 4-2: Organization of the Periodic Table
Answer Key: Worksheet
For each of the following, use the periodic table to determine if the element
is a solid (S), liquid (L), or gas (G) at room temperature.
L Hg
SS
S Mg
SB
S Ca
G Ar
GH
S Cs
S Zn
S Br
S Sb
GN
For each of the following, use the periodic table to name the family the
element belongs to.
transition metals family
Fe
boron family
Al
noble gases
Kr
oxygen family
S
halogens
I
alkali metals family
Li
alkaline earth metals family
Ba
nitrogen family
Bi
lanthanides
Eu
carbon family
Si
actinides
Bk
All Rights Reserved, GPTC 2003
page 4-22