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U5 D1, D2, D3 Elec Con/Noble Gas Con, Ions, Valence Electrons

Total questions: 54

Worksheet time: 2hrs 18mins

Name
Class
Date
1.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
2.
What is the noble gas configuration for boron?
a)
[He]1s22s2
b)
[He]2s22p2
c)
[He]2s22p1
d)
[Li]2s22p1
3.
What is the noble gas configuration for Sulfur?
a)
[Ar] 3p4
b)
[He] 3s2 3p4
c)
[Ne] 3s2 3p4
d)
[Na] 3s2 3p4
4.
What is the noble gas configuration for phosphorus?
a)
[Ar] 3p5
b)
[He] 3s2 3p5
c)
[Ne] 3s2 3p3
d)
[Na] 3s2 3p5
5.
What is the noble gas configuration for Neon?
a)
[Ne]
b)
[He]2s22p6
c)
[F]2p1
d)
[Ne]2s21p6
6.
[Ne]3s1 is the noble gas configuration for which element?
a)
sodium
b)
lithium
c)
fluorine
d)
aluminum
7.
[Ne]3s23p1 is the noble gas configuration for which element?
a)
scandium
b)
boron
c)
nitrogen
d)
aluminum
8.
[Ne]3s23p5 is the noble gas configuration for which element?
a)
chlorine
b)
fluorine
c)
sulfur
d)
aluminum
9.
[He]2s22p4 is the noble gas configuration for which element?
a)
oxygen
b)
sulfur
c)
phosphorus
d)
fluorine
10.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
11.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
12.

What is the noble gas configuration for Gold?

a)

[Xe] 5s25d9

b)

[Xe] 6s24f146d9

c)

[Xe] 6s24f145d9

d)

[Xe] 6s25f146d3

13.

What is the noble gas configuration for Bromine?

a)

[Ar] 3s23p54s23d8

b)

[Ar] 4s23d104p4

c)

[Ar] 4s23d104p5

d)

[Kr] 4s23d104p5

14.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
15.
What is the charge of an atom that has gained one electron?
a)
-1
b)
-2
c)
+1
d)
+2
16.

When iodine forms an iodide ion, into which orbital would the electron be going?

a)

5s

b)

4s

c)

5p

d)

3d

e)

It wont gain an electron, it would lose one.

17.

Which electron configuration belongs to a Chloride (Cl-) ion?

a)

1s2 2s2 2p6 3s2 3p5

b)

1s2 2s2 2p6 3s2 3p6

c)

1s2 2s2 2p6 3s2 3p7

d)

1s2 2s2 2p6 3p7

18.

What electron configuration matches an oxygen ion (O2-)?

a)

1s22s22p63s2, 3p64s23d104p5

b)

1s22s22p4

c)

1s22s22p6

d)

1s22s22p63s23p64s23d1

19.

What is the electron configuration for Calcium?

a)

1s22s22p63s23p64s2

b)

1s22s22p63s23p64s1

c)

1s22s22p63s23p64s3

d)

1s22s22p63s23p6

20.

You are given an atom with the following electron configuration: 1s22s2. How many valence electrons are present in this atom?

a)

1

b)

2

c)

3

d)

4

21.

How many valence electrons does calcium have?

a)

1

b)

2

c)

20

d)

8

22.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

potassium

23.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
24.
Valence electrons are: 
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
25.

How many electrons can an p sublevel hold?

a)

2

b)

3

c)

6

d)

10

26.

How many electrons can an f sublevel hold?

a)

2

b)

6

c)

10

d)

14

27.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
28.

What electron configuration matches the ion: Al +3

a)

1s22s22p63s23p4

b)

1s22s22p6

c)

1s22s22p63s23p1

d)

1s22s22p63s2

29.
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
30.
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 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
31.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
32.
Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?
a)
Aufbau's
b)
Hund's
c)
Pauli exclusive
33.
Which guideline, Hund’s rule or the Pauli exclusion principle, is violated in the following orbital diagrams?
a)
Hund's
b)
Aufbau's
c)
Pauli's Exclusive
34.
All orbitals of equal energy are occupied by one electron before any single orbital is occupied by a second electron.
a)
Aufbau principle
b)
Pauli exclusion principle
c)
Hund’s rule
d)
Core Notation
35.
What is the Pauli Exclusion Principle?
a)
An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins
b)
An atomic orbital can hold a minimum of 6 electrons, each with opposite spins
c)
An atomic orbital can hold a maximum of 6 electrons, each with the same spin
d)
An atomic orbital can hold a minimum of 2 electrons, each with opposite spins
36.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
37.

No more than two electrons can occupy the same orbital.

a)

Aufbau principle

b)

Pauli exclusion principle

c)

Hund’s rule

d)

Noble gas notation

38.

Choose the correct electron configuration for Beryllium (Be).

a)

1s1

b)

1s2 2s2

c)

1s2 2s2 2p1

39.

Choose the correct electron configuration for Chlorine (Cl).

a)

1s2 2s2 2p1

b)

1s2 2s2 2p6 3s2

c)

1s2 2s2 2p6 3s2 3p5

40.
What is the noble gas configuration for boron?
a)
[He]1s22s2
b)
[He]2s22p2
c)
[He]2s22p1
d)
[Li]2s22p1
41.

Choose the correct electron configuration for Nickel (Ni).

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d8

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d2

c)

1s2 2s2 2p6 3s2 3p6 4s10

42.

Choose the correct electron configuration for Krypton (Kr).

a)

1s2 2s2 2p6 3s2 3p6 4s8 3d8

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p3

c)

1s2 2s2 2p6 3s2 3p6 4s2 3d8 4p6

43.

What element has the following electron configuration: 1s2 2s2 2p6 3s2?

a)

Ca+2

b)

Ca

c)

Mg

d)

Na

e)

Ar

44.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
45.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
46.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
47.

Which of the following is not a sublevel

a)

s

b)

p

c)

n

d)

f

e)

d

48.

Which of the following is a p sublevel element?

a)
Ca
b)
Ar
c)
Re
d)
Au
49.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
50.

What atom matches this electron configuration?

[Xe] 6s24f145d9

a)

Mercury

b)

Gold

c)

Platinum

d)

Thallium

51.
[Ne]3s23p1 is the noble gas configuration for which element?
a)
scandium
b)
boron
c)
nitrogen
d)
aluminum
52.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

53.

How many valence electrons does Hydrogen (H) have?

a)

1

b)

2

c)

3

d)

4

54.

How many valence electrons does Oxygen (O) contain?

a)

6

b)

5

c)

8

d)

2

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