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Electron configuration

Total questions: 62

Worksheet time: 57mins

Name
Class
Date
1.

This orbital diagram represents:

a)

Carbon

b)

Boron

c)

Nitrogen

d)

Oxygen

2.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
3.
Which of the following has a -3 charge?
a)
Boron
b)
Fluorine
c)
Nitrogen
d)
Neon
4.

TRUE or FALSE: valence electrons are in the last s or s and p orbitals.

a)

true

b)

false

5.

An aluminium ion would have which electron configuration?

a)

1s2 2s2 2p6 3s2

b)

1s2 2s2 2p6 3s2 3p1

c)

1s2 2s2 2p6 3s2 3p6

d)

1s2 2s2 2p6

6.

Which ion is this an electron configuration of: 1s22s22p63s23p6

a)

Na+

b)

O2-

c)

P3-

d)

Rb+

7.
How many valence electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
8.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
9.
What is the noble gas configuration for boron?
a)
[He]1s22s2
b)
[He]2s22p2
c)
[He]2s22p1
d)
[Li]2s22p1
10.
What is the noble gas configuration for Sulfur?
a)
[Ar] 3p4
b)
[He] 3s2 3p4
c)
[Ne] 3s2 3p4
d)
[Na] 3s2 3p4
11.
What is the noble gas configuration for phosphorus?
a)
[Ar] 3p5
b)
[He] 3s2 3p5
c)
[Ne] 3s2 3p3
d)
[Na] 3s2 3p5
12.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
13.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
14.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
15.

How many valence electrons?

a)

2

b)

5

c)

6

d)

8

16.

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

17.

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

18.
How many electrons does an atom of Krypton have?
a)
36
b)
83.80
c)
47.80
d)
119.80
19.
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.
20.
Which orbital has the least amount of energy? 
a)
p orbital
b)
d orbital
c)
s orbital 
d)
What is an orbital?
21.

How many valence electrons are shown in this Bohr diagram?

a)

2

b)

3

c)

5

d)

8

22.

This Bohr diagram has only one orbit (shell) with electrons in it. It must come from which row of the Periodic Table?

a)

1

b)

2

c)

3

d)

4

23.

Which row of the Periodic Table must this element come from?

a)

1

b)

2

c)

3

d)

4

24.

Look at all those orbits (shells)! Which row of the Periodic Table is this element in?

a)

1

b)

2

c)

3

d)

4

25.

Which row of the Periodic Table must this element come from?

a)

1

b)

2

c)

3

d)

4

26.

Recall that valence electrons are the electrons on the orbit (shell) farthest from the nucleus. How many valence electrons?

a)

2

b)

4

c)

6

d)

8

27.

How many valence electrons?

a)

5

b)

6

c)

7

d)

8

28.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

29.

How many valence electrons?

a)

2

b)

5

c)

8

d)

10

30.

How many valence electrons?

a)

2

b)

3

c)

8

d)

20

31.

How many valence electrons?

a)

2

b)

7

c)

8

d)

9

32.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

33.

How many valence electrons?

a)

1

b)

2

c)

4

d)

8

34.

How many valence electrons?

a)

2

b)

4

c)

5

d)

6

35.

How many valence electrons?

a)

2

b)

4

c)

5

d)

6

36.

What is this element? Use a periodic table!

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

37.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
38.

Which element would be in group 16?

a)

V

b)

W

c)

X

d)

Y

e)

Z

39.

Which element would be in group 2?

a)

V

b)

W

c)

X

d)

Y

e)

Z

40.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

41.
How many dots would a Lewis Dot structure of Helium have?
a)
1
b)
2
c)
8
d)
0
42.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
43.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
44.

The periodic table is broken into Rows and Columns.


The Columns are called _____

a)

Periods

b)

Groups

45.

Who is considered the Father of the Periodic Table?

a)

Dimitri Mendeleev

b)

John Dalton

c)

Henry Moseley

d)

Mr. Hanrahan

46.

What is the largest group on the periodic table?

a)

Transition Metals

b)

Noble Gases

c)

Metalloids

d)

Alkaline Earth Metals

47.

Which of the following is NOT a metalloid?

a)

Aluminum

b)

Silicon

c)

Boron

d)

Arsenic

48.

Which of the following is a Metal?

a)

Sodium

b)

Carbon

c)

Oxygen

d)

Argon

49.

Which of the following is a Nonmetal?

a)

Sulfur

b)

Gold

c)

Iron

d)

Calcium

50.

What is the name of the group that contains unreactive nonmetals, each with 8 valence electrons?

a)

Noble Gases

b)

Halogens

c)

Alkaline Earth Metals

d)

Rare Earth Metals

51.

What is the name of the group that contains reactive metals, each with 2 valence electrons?

a)

Transition Metals

b)

Halogens

c)

Alkaline Earth Metals

d)

Rare Earth Metals

52.

What is the name of the group that contains highly reactive nonmetals, each with 7 valence electrons?

a)

Noble Gases

b)

Halogens

c)

Alkaline Earth Metals

d)

Metalloids

53.

What does the Atomic Number of an element represent?

a)

# of Protons

b)

# of Neutrons

c)

# of Electrons

d)

# of Neutrinos

54.

Which alkali metal is most reactive out of the following

a)

rubidium

b)

potassium

c)

sodium

d)

lithium

55.

Is hydrogen an alkali metal?

a)

no

b)

yes

c)

maybe

56.

Which metal is NOT an Alkaline Earth Metal?

a)

Calcium

b)

Radon

c)

Strontium

d)

Radium

57.

Alkaline Earth metals conduct heat and electricity

a)

True

b)

False

58.

How many metalloids are there and which element is an exception to the rule where they are found on the periodic table?

a)

8, Polonium

b)

8, Astatine

c)

8, Aluminum

d)

7, Astatine

e)

7, Polonium

59.

What is the special name of the Lanthanides and Actinides together?

a)

transitional metals

b)

inner transitional metals

c)

inner transitional nonmetals

d)

transitional metalloids

60.

Which answer has the Chemical Symbols for the elements in Group 7?

a)

F, Cl, Br, I, At, Uus

b)

N, P, As, Sb, Bi, Uup

c)

Be, Mg, Ca, Sr, Ba, Ra

d)

Ab, Cd, Ef, Gh, Ij, Kz

61.
Which of these is not a noble gas?
a)
Helium
b)
Argon
c)
Nitrogen
d)
Krypton
62.

The reason that Noble Gases do not react is because

a)

Their outer electron shell is filled

b)

Their inner electron shell is filled

c)

They are able to bond to fill their outer shell

d)

None of the above, Noble Gases are highly reactive