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Atomic Structure

Total questions: 45

Worksheet time: 37mins

Name
Class
Date
1.

What electron configuration matches an oxygen atom?

a)

[Ne] 3s2, 3p64s23d104p5

b)

[He]2s22p4

c)

[He]2s22p6

d)

[Ne]3s23p64s23d1

2.

What atom matches this electron configuration?

[Ar]4s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

3.

The electron configuration of an atom is [He]2s22p6. The number of electrons in the atom is

a)

3

b)

6

c)

8

d)

10

4.
 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.
5.
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
6.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
7.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
8.
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.
9.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
10.

What element has this orbital notation?

a)

lithium

b)

beryllium

c)

boron

d)

carbon

11.

What element has this electron configuration?

a)

hydrogen

b)

helium

c)

lithium

d)

beryllium

12.

What element has this electron configuration?

a)

boron

b)

carbon

c)

nitrogen

d)

oxygen

13.

Which element is represented by this orbital notation?

a)

carbon

b)

nitrogen

c)

oxygen

d)

fluorine

14.

Which element is represented by this electron configuration?

a)

neon

b)

sodium

c)

magnesium

d)

aluminum

15.

Which element is represented by this orbital notation?

a)

neon

b)

sodium

c)

magnesium

d)

aluminum

16.

Which of the following is the electron configuration for Fluorine

a)
b)
c)
d)
17.

Which of the following is the orbital notation for oxygen?

a)
b)
c)
d)
18.

What is the element?

a)

Neon

b)

Chlorine

c)

Aluminum

d)

Argon

19.

Which is the electron configuration for beryllium?

a)
b)
c)
d)
20.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
21.

How many electrons can the first shell hold?

a)

1

b)

2

c)

8

d)

0

22.

This is a correct dot diagram for nitrogen (N)

a)

true

b)

false

23.

Which of these is incorrect?

a)
b)
24.

Which of these is correct?

a)
b)
c)
25.

How many valence electrons are in this element?

a)

2

b)

8

c)

3

d)

13

26.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

27.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

28.

How many valence electrons should Magnesium have in its Lewis dot model?

a)

1

b)

2

c)

3

d)

4

29.
How many valence electrons are found in atoms of group 14?
a)
4
b)
3
c)
14
d)
16
30.

How many valence electrons does Neon Have?

a)

4 Valence electron

b)

5 Valence electron

c)

6 Valence electron

d)

7 Valence electron

e)

8 Valence electron

31.
What element is represented in this Bohr Model? 
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
32.
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
33.
Identify the element in the picture
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
34.

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

35.

How many valence electrons?

a)

5

b)

6

c)

7

d)

8

36.

How many valence electrons?

a)

4

b)

7

c)

8

d)

9

37.

How many valence electrons?

a)

1

b)

2

c)

4

d)

8

38.

How many valence electrons?

a)

2

b)

4

c)

5

d)

6

39.

Who developed this model of our atom?

a)

Bohr

b)

Thomson

c)

Schrodinger

d)

Dalton

e)

Rutherford

40.

Who developed this model of our atom?

a)

Bohr

b)

Thomson

c)

Schrodinger

d)

Dalton

e)

Rutherford

41.

Who developed this model of our atom?

a)

Bohr

b)

Thomson

c)

Schrodinger

d)

Dalton

e)

Rutherford

42.

What is this model of the atom called?

a)

Billiard Ball Model

b)

Plum Pudding Model

c)

Nuclear Model

d)

Planetary Model

e)

Quantum Model

43.

What is this model of the atom called?

a)

Billiard Ball Model

b)

Plum Pudding Model

c)

Nuclear Model

d)

Planetary Model

e)

Quantum Model

44.

What is this model of the atom called?

a)

Billiard Ball Model

b)

Plum Pudding Model

c)

Nuclear Model

d)

Planetary Model

e)

Quantum Model

45.

What is this model of the atom called?

a)

Billiard Ball Model

b)

Plum Pudding Model

c)

Nuclear Model

d)

Planetary Model

e)

Quantum Model

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