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WorksheetsElectron Configuration & Orbital Notation
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
2.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
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.
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.
6.
What is the correct electron configuration for a ground-state atom with 7 electrons?
a)
a. 1s2 2s2 2p3
b)
b. 1s2 2s2 2p2 3s1
c)
c. 1s2 2s3 2p2
d)
d. 1s2 2s5
7.
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
8.
This shape is that of a/n:
a)
s orbital
b)
p orbital
c)
d orbital
d)
f orbital
9.
Which is associated with more energy?
a)
2p
b)
2s
c)
3p
d)
1s
10.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
11.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
12.
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
13.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
14.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
15.
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.
16.
How many electrons does an atom with 8 protons have (assuming the atom is neutral)?
a)
8
b)
16
c)
15.99
d)
24
17.
The first orbital can hold a maximum of how many electrons?
a)
2
b)
3
c)
8
d)
6
18.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude
19.
Which color has the highest frequency?
a)
red
b)
orange
c)
green
d)
blue
20.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
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