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Electron Configuration

Total questions: 38

Worksheet time: 55mins

Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.

Each row on the periodic table represents:

a)

an energy level

b)

a sublevel

c)

an electron

d)

an orbital

3.

Which periodic table family below has their last, most energetic electron in their electron configuration in the s-block?

a)

Alkaline Earth

b)

Halogens

c)

Noble Gases

d)

Transition Metals

4.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
5.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
6.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
7.
What is the noble gas configuration for Neon?
a)
[Ne]
b)
[He]2s22p6
c)
[F]2p1
d)
[Ne]2s21p6
8.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
9.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
10.
There are 4 different types of subshells (orbitals) s,p,d,f.
a)
true
b)
false
11.
What is the noble gas shorthand electron for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p4
12.
How many electron can be found in a p orbital?
a)
2
b)
3
c)
4
d)
6
13.
What is the electronic configuration of sodium?
a)
1s22s22p63s1
b)
[Ne]3s1
c)
1s22s22p7
d)
Both A and B are correct
14.
Which of the following is the correct electron configuration for a carbon atom?
a)
1s2 2s2 2p6 3s2 3p2
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p2
d)
1s2 2s2 2p6 3s2 3p6 4s2 4p2
15.
Which of the following elements is a noble gas?
a)
1s2 2s2
b)
1s2 2s2 2p5
c)
1s2 2s2 2p6 3s2 3p6
d)
1s2 2s2 2p6 3s1
16.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
17.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
18.
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
19.
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
20.

What atom matches this electron configuration? 1s2 2s2 2p6 3s2 3p6 4s2 3d6

a)

Sulfur (S)

b)

Magnesium (Mg)

c)

Selenium (Se)

d)

Iron (Fe)

21.

How many valence Electrons does Copper Have?

1s2 2s2 2p6 3s2 3p6 4s2 3d9

a)

6

b)

9

c)

17

d)

2

22.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
23.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
24.
Which element is depicted from this atomic orbital diagram?
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Phosphorus
25.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
26.
Which is associated with more energy? 
a)
2p
b)
2s
c)
3p
d)
1s
27.
How many total electrons can the f orbitals in a sublevel hold?
a)
2
b)
14
c)
6
d)
10
28.

Which orbital shows a violation of Hund's Rule (the bus rule)?

a)

A

b)

B

c)

C

d)

D

e)

None of these

29.

What is incorrect about this orbital diagram?

a)

Both arrows in the 2p box should be pointing up

b)

Nothing

c)

One of the electrons in the first 2p box should be placed in the second 2p box, still pointing down

d)

One of the electrons in the first 2p box should be placed in the second 2p box, pointing up

30.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
31.
How many d orbitals are there in a given sublevel?
a)
1
b)
3
c)
5
d)
7
32.
How many valence electrons does Chlorine have?
a)
5
b)
2
c)
7
d)
5
33.
How many valence electrons does phosphorus have?
a)
5
b)
2
c)
8
d)
15
34.
Identify the element in Period 5 that has 1 valence electron?
a)
Rb
b)
Nb
c)
Ag
d)
Sb
35.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
36.

The electron configuration of an atom is 1s22s22p6. It is in period ______ and group _______ (use a space and comma between numbers).

a)

2, 18

b)

18, 2

c)

2, 16

d)

16, 2

37.

What do 1s22s2 and 1s22s22p63s2 have in common?

a)

Same number of valence electrons

b)

Same energy level

c)

Same number of electrons

38.

Which element is in period 4 and group 13?

(a)  

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