WorksheetsValence e-, e- Configuration, Lewis Structures and PT Review
Total questions: 33
Worksheet time: 1hrs 23mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
2.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
3.
What is the maximum number of electrons that an orbital (a house in electron city) can have?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
4.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
5.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
6.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
7.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
8.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
9.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
10.
Identify the element in Period 5 (row) that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
11.
What element in Period 4 (row) has 5 valence electrons?
a)
Zr
b)
As
c)
V
d)
Sb
12.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
13.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
14.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
15.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
16.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
17.
Name group 1 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
noble gases
d)
halogens
18.
Name group 2 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
19.
Name group 18 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
transition metals
d)
noble gases
20.
Name groups 3 - 12 on the periodic table.
a)
noble gases
b)
halogens
c)
metalloids
d)
transition metals
21.
Name group 17 on the periodic table.
a)
transition metals
b)
metalloids
c)
halogens
d)
alkali metals
22.
Which group has the most reactive nonmetals?
a)
alkali metals
b)
noble gases
c)
metalloids
d)
halogens
23.
Where are the nonmetals located on the periodic table?
a)
top left corner
b)
bottom left corner
c)
top right corner
d)
bottom left corner
24.
Name the group that contains inert (nonreactive) elements.
a)
noble gases
b)
halogens
c)
alkali metals
d)
alkaline earth metals
25.
What do the numbers down the side tell us about the atoms in each row?
a)
number of protons
b)
number of electrons
c)
number of energy levels
d)
absolutely nothing
26.
According to the octet rule most elements need _______ valence electrons.
a)
2
b)
8
c)
6
d)
18
27.
Hydrogen needs _____ electrons in its valence shell to be stable.
a)
4
b)
6
c)
8
d)
2
28.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
29.
How many electrons does each line indicate are shared?
a)
1
b)
2
c)
3
d)
4
30.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
31.
Which of the following is the correct Lewis structure for water?
a)
A
b)
B
c)
C
32.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
33.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
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