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PC#9 Electron Configuration, orbital notation, orbital shapes

Total questions: 47

Worksheet time: 1hrs 13mins

Name
Class
Date
1.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
2.
How many electrons can the d sublevel hold?
a)
14
b)
10
c)
2
d)
6
3.

the Orbital Notation in the image belongs to which element?

a)

C

b)

Si

c)

Ge

d)

Sn

4.
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
5.

How many electrons can the p sublevel hold?

a)

14

b)

10

c)

2

d)

6

6.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
7.

What the electron configuration for the sulfide anion? (S2-)

NOTE: When typing use this format 4s2 3d10 4p6

(a)  

8.

The s sublevel resembles this type of shape

a)

dumbell

b)

clover

c)

sphere

d)

double clover

9.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
10.

What energy level is next to be filled after the 4s?

a)

5s

b)

3d

c)

4p

d)

4d

11.
 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.
12.

What is the electron configuration for Sulfur

Long Hand configuration only 1s2 2s2

(a)  

13.

This shape is that of a/n:

a)

s orbital

b)

p orbital

c)

d orbital

d)

f orbital

14.

How many electrons does an atom with 8 protons have (assuming the atom is neutral)?

a)

8

b)

16

c)

15.99

d)

24

15.

The electron with the electron configuration 1s22s22p63s23p2 has how many valence electrons

a)

2

b)

4

c)

6

d)

14

16.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
17.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
18.

Electrons lowest in energy are held ___ to the nucleus.

a)

Closer

b)

Further Away

c)

Relative

19.

How many electrons are in the 3p orbital of Phosphorous?

a)

1

b)

2

c)

3

d)

4

20.
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.
21.

Magnesium (Mg) has _______ completely filled s-orbitals.

a)

1

b)

2

c)

3

d)

4

22.
How many electrons can the s sublevel hold?
a)
14
b)
10
c)
2
d)
6
23.

The rule that says each orbital much receive one electron before an orbital in that sublevel can have two

a)

Hunds Rule

b)

Aufbau Principal

c)

Pauli Principal

d)

Law of Conservation of Energy

24.

For an electron in an atom to change from the ground state to an excited state,

a)

energy must be emitted

b)

energy must be absorbed

c)

radiation must be emitted

d)

the electron must make a transition from a higher to a lower energy level

25.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
26.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
27.

Which of the following represent an atom of Chlorine (Cl)?

a)

[Ar]4s24p5

b)

[Ne]3s23p5

c)

[Ne]3s24p5

d)

[Ar]4s23p5

28.

The rule that says electrons enter sublevels with the lowest energy first

a)

Pauli Principal

b)

Hund's Rule

c)

Aufbau Principal

d)

Law of Conservation of Energy

29.

What is the identity of the element that has an electron configuration of 1s22s22p63s23p64s23d104p65s24d105p5?

a)

Antimony

b)

Iodine

c)

Flerovium

d)

Strontium

30.

How many different shapes are there for an s orbital?

a)

1

b)

3

c)

5

d)

7

31.

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

32.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

33.

What atom matches this electron configuration?

1s22s22p63s2

a)

Neon

b)

Magnesium

c)

Aluminum

d)

Potassium

34.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

35.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

36.

How many valence electrons are found in atoms of group 1 (aka the alkali metals)?

a)

7

b)

6

c)

4

d)

1

37.
How many valence electrons are found in atoms of group 14?
a)
4
b)
3
c)
14
d)
16
38.
This could be the dot diagram of 
a)
Ne
b)
Si
c)
Al
d)
Be
39.

This could be the dot diagram of

a)

Mg

b)

Cl

c)

C

d)

O

40.

How many valence electrons does Germanium (Ge) have?

a)

32

b)

4

c)

14

d)

2

41.

Which of the following is a correct electron dot structure?

a)
b)
c)
d)
42.

Which of the following is the correct electron dot structure for nitrogen?

a)
b)
c)
d)
43.

This could be the dot diagram for...

a)

He

b)

Al

c)

Be

d)

Si

44.

What is the "magic number" of valence electrons for atoms to be stable?

a)

1

b)

2

c)

8

d)

18

45.

_______ is the rule of thumb in which elements will bond to have eight electrons in their outer valence orbital, giving it the same electron configuration as a ___________.

a)

Octet Rule; Noble Gas

b)

Boarding House Rule; Noble Gas

c)

Electron Configuration; Alkali Metal

d)

Net Neutral Rule; Noble Gas

46.

How many core electrons does potassium have?

a)

1

b)

2

c)

18

d)

19

47.

Chemical reactions involve ________

a)

electrons

b)

protons

c)

neutrons

d)

beta particles

e)

heat

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