WorksheetsElectron Configurations and The Periodic Table
Total questions: 63
Worksheet time: 49mins
Name
Class
Date
1.
a)
Periods
b)
Groups
2.
a)
Periods
b)
Groups
3.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
4.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
5.
a)
Same group
b)
Same period
6.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
7.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
8.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
9.
a)
Metals
b)
Nonmetals
c)
Metalloids
10.
a)
Metals
b)
Nonmetals
c)
Metalloids
11.
a)
Metals
b)
Nonmetals
c)
Metalloids
12.
a)
Metals
b)
Nonmetals
c)
Metalloids
13.
a)
Metals
b)
Nonmetals
c)
Metalloids
14.
a)
Metals
b)
Nonmetals
c)
Metalloids
15.
a)
Metals
b)
Nonmetals
c)
Metalloids
16.
A ___________ is an arrangement of elements in columns
a)
columns
b)
rows
c)
periodic table
d)
electron shell
17.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
18.
Which element is not a metal?
a)
H
b)
Re
c)
Al
d)
B
19.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
20.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
21.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
22.
a)
2
b)
8
c)
3
d)
13
23.
a)
2
b)
3
c)
5
24.
a)
2
b)
6
c)
10
d)
16
25.
This could be the dot diagram of
a)
Be
b)
B
c)
C
d)
Ne
26.
This could be the dot diagram of
a)
P
b)
Ar
c)
Na
d)
B
27.
Most elements will gain or lose electrons so that they end up with _______ valence electrons.
a)
2
b)
6
c)
8
d)
10
28.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
29.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
30.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
31.
What atom matches this electron configuration?
[Xe] 6s25d9
[Xe] 6s25d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
32.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
33.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
34.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
35.
What is the highest occupied energy level?
a)
1
b)
2
c)
3
d)
4
36.
What is the highest occupied energy level?
a)
4
b)
5
c)
6
d)
7
37.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
38.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
39.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
40.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
41.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
42.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
43.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
44.
What is this element?
[Xe] 6s15d10
[Xe] 6s15d10
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
45.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
46.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
47.
Which two would have the same shape?
a)
2p
b)
2s
c)
3d
d)
1s
48.
Which of the following have the same electron configurations?
a)
Mg +1 and Na
b)
Mg +2 and Na
c)
Na+2 and Ar
d)
Na+1 and Mg+2
49.
Which electrons are lost or gained when an atom forms and ion?
a)
core electrons
b)
valence electrons
50.
If an atom loses electrons when forming an ion, the charge will be:
a)
positive
b)
negative
c)
neutral
51.
Oxygen, when charged in its appropriate ion form, has the same electron configuration as?
a)
Neon
b)
Carbon
c)
Nitrogen
d)
Boron
52.
What is the electron configuration of Ag?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10
b)
[Kr] 5s2 4d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 4p6 5s2 4d9
d)
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d10 4p6 5d10 5s2 4d9
53.
Which atom is it who has 3 energy levels and 4 valence electrons?
a)
Carbon
b)
Lithium
c)
Silicon
d)
Aluminum
54.
If an atom has 12 protons, how many valence electrons will that atom have?
a)
2
b)
10
c)
8
d)
6
55.
How many energy levels does Hafnium have?
a)
4
b)
72
c)
6
d)
cannot determine
56.
What is the number of valence electrons for Carbon?
a)
12
b)
6
c)
5
d)
4
57.
How can you tell how many valence electrons an atom has?
a)
APE MAN
b)
By the Group
c)
By the Period
d)
By the atomic number
58.
How can you tell how many energy levels an atom has?
a)
APE MAN
b)
By the Group
c)
By the Period
d)
By the atomic mass
59.
How many valence electrons does Calcium have? How many energy levels does Calcium have?
a)
2 valence: 4 energy levels
b)
20 valence: 4 energy levels
c)
4 valence: 2 energy levels
d)
2 valence: 3 energy levels
60.
If an atom has 4 protons, how many valence electrons will it have?
a)
4
b)
6
c)
2
d)
0
61.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
62.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
63.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
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