Worksheetselectron configuration
Total questions: 25
Worksheet time: 6hrs 15mins
Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
3.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
4.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
5.
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
6.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
7.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
8.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
9.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
10.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
11.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
12.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
13.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
14.
The diagram above represents two electrons with
a)
a. opposite spins.
b)
b. the same spin.
c)
c. different energies.
d)
d. different energy levels.
15.
What is the correct noble-gas notation for the electron configuration of an atom of chlorine?
a)
a. [Ar]3s2 3p5
b)
b. [Ne]3s2 3p4
c)
c. [Ar]3s2 3p4
d)
d. [Ne]3s2 3p5
16.
This shape is that of a/n:
a)
s orbital
b)
p orbital
c)
d orbital
d)
f orbital
17.
What is the electron configuration for F?
a)
1s2 2s2 3p5
b)
1s2 2s2 3d5
c)
1s2 2s2 2p5
d)
1s2 2p5
18.
Using noble-gas notation, calcium is represented by [Ar]4s2. How many electrons does calcium have?
a)
18
b)
20
c)
22
d)
24
19.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
20.
What is the electronic configuration of iron?
a)
1s22s22p63s23p64s23d6
b)
1s22s22p63s23p63d8
c)
1s22p63s23p64s23d6
d)
1s22s22p63s23p64s13d6
21.
What is this element?
[Ne] 3s23p64s2
[Ne] 3s23p64s2
a)
Calcium
b)
Sodium
c)
Scandium
d)
Titanium
22.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
23.
What is the noble gas configuration for Neon?
a)
[Ne]
b)
[He]2s22p6
c)
[F]2p1
d)
[Ne]2s21p6
24.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
25.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
100 %
