WorksheetsElectron Configuration and Orbitals
Total questions: 16
Worksheet time: 48mins
Name
Class
Date
1.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
2.
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.
3.
This orbital diagram represents which element?
a)
C
b)
B
c)
N
d)
O
4.
This shape is that of a/n:
a)
s orbital
b)
p orbital
c)
d orbital
d)
f orbital
5.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
6.
What does the 1 in "1s" stand for?
a)
energy level
b)
s orbital
c)
p orbital
d)
the number of electrons
7.
Which type of orbital is shaped like a sphere?
a)
s orbital
b)
p orbital
c)
d orbital
d)
f orbital
8.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
9.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
10.
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
11.
What is the noble gas configuration (short hand) for chlorine (Cl)?
a)
[Ne]1s22s23p5
b)
[Ne]2s23p5
c)
[Li]2p5
d)
[Mg]2p5
12.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
13.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
14.
What is the shorthand electron configuration for a Calcium atom?
a)
[Ar] 3s23p24s2
b)
[He] 3s23p4
c)
[Ar] 4s2
d)
[Ne] 3s23p64s2
15.
How many TOTAL electrons are in 1s2 2s2 2p6 3s2 ?
a)
2
b)
8
c)
10
d)
12
16.
How many VALENCE electrons are in 1s2 2s2 2p6 3s2 3p5?
a)
17
b)
11
c)
7
d)
8
100 %
