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electron configuration assessment

Total questions: 50

Worksheet time: 2hrs 3mins

Name
Class
Date
1.
What atom matches this electron configuration?
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.
How many valence electrons are represented here?
a)
7
b)
5
c)
2
d)
8
4.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
5.
How many p orbitals are there in a sublevel?
a)
2
b)
1
c)
4
d)
3
6.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
7.
What is this element? 
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
8.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
9.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
10.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
11.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
12.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
13.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
14.
What element in Period 4 has 5 valence electrons?
a)
Zr
b)
As
c)
V
d)
Sb
15.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
16.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
17.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
18.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
19.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
20.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
21.

What is the octet rule?

a)

Elements can only have 8 electrons in its outermost shell

b)

The elements must form an octopus like structure

22.

What are valence electrons?

a)

The innermost electrons

b)

The outermost electrons

23.
What is this element?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
24.
What is this element?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
25.
What is the noble gas configuration for Oxygen?
a)
[Ar] 3p4
b)
[He] 2s2 2p4
c)
[He] 3s2 3p4
d)
[Li] 2s2 2p4
26.
What is the noble gas configuration for Oxygen?
a)
[Ar] 3p4
b)
[He] 2s2 2p4
c)
[He] 3s2 3p4
d)
[Li] 2s2 2p4
27.
What is the electron configuration for Bromine (Br)
a)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b)
1s2, 2s2, 2p4
c)
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
d)
1s2, 2s2, 2p6
28.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
29.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
30.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
31.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
32.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

33.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
34.
What atom matches this electron configuration?
1s2 2s2 2p6 3s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
35.
Which is the electron configuration for an oxygen atom?
a)
1s22s22p63s23p64s2
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p6
36.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
37.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
38.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
39.
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
40.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
41.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
42.

Which area on the periodic table represents the electrons in the "d" sublevel?

a)

representative elements

b)

columns 3-8

c)

rare earth elements

d)

transition elements

43.
How many electron can be found in a p orbital?
a)
2
b)
3
c)
4
d)
6
44.

How many electrons can the s sublevel(orbital) hold?

a)

8

b)

10

c)

2

d)

4

45.

How many electrons can the f sublevel(orbital) hold?

a)

8

b)

10

c)

14

d)

4

46.

What does the Aufbau Principle state?

a)

states that each electron occupies the lowest energy orbital available

b)

states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electrons have opposite spins

c)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

47.

Which of the following sublevels would have electrons with the LOWEST energy?

a)

4s

b)

4p

c)

4d

d)

4f

48.

What atom matches this electron configuration?

[Xe] 6s15d10

a)

Mercury

b)

Gold

c)

Platinum

d)

Thallium

49.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
50.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle

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