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Unit 04: Electrons in the Atom Review

Total questions: 48

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

Maximum number of ELECTRONS that can be placed in an s orbital.

a)

2

b)

6

c)

10

d)

14

2.

The maximum number of ELECTRONS that can be placed in an p orbital.

a)

2

b)

6

c)

10

d)

14

3.

The maximum number of ELECTRONS that can be placed in an d orbital.

a)

2

b)

6

c)

10

d)

14

4.

The maximum number of ELECTRONS that can be placed in an f orbital.

a)

2

b)

6

c)

10

d)

14

5.

What is the maximum number of ELECTRONS that an orbital (box) can have?

a)

1 electron

b)

2 electrons

c)

3 electrons

d)

4 electrons

6.

How many d orbitals (boxes) are there in a given sublevel?

a)

1

b)

3

c)

5

d)

7

7.

How many f orbitals (boxes) are there in a given sublevel?

a)

1

b)

3

c)

5

d)

7

8.

How many p orbitals (boxes) are there in a given sublevel?

a)

1

b)

3

c)

5

d)

7

9.

What is the Aufbau principle?

a)

electrons always spin right

b)

electrons always pair up

c)

electrons always enter the HIGHER energy orbitals first

d)

electrons always enter the LOWER energy orbitals first

10.

What is Hund's Rule?

a)

electrons always pair up first

b)

electrons must equally distribute between orbitals before pairing up

c)

electrons always spin right

d)

electrons must go to the nucleus for instructions

11.

Which colored area represent the s orbitals?

a)

blue

b)

red

c)

orange

d)

green

12.

Which colored area represent the p orbitals?

a)

blue

b)

red

c)

orange

d)

green

13.

Which colored area represent the d orbitals?

a)

blue

b)

red

c)

orange

d)

green

14.

Which colored area represent the f orbitals?

a)

blue

b)

red

c)

orange

d)

green

15.

Electrons in the same orbital ......

a)

must have opposite spins

b)

must have the same spin

c)

one must be negatively charged and the other positively charged

d)

must have lower energy

16.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
17.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
18.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
19.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2s2p3s3p5
b)
1s2s2p3s3p6
c)
1s2s2p3s3p7
20.
This orbital diagram represents:  
a)
C
b)
B
c)
N
d)
O
21.
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.
22.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
23.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
24.
Which orbital shows a violation of the Aufbau Principle?
a)
A
b)
B
c)
C
d)
D
25.

Which example shows a violation of Hund's Rule?

a)

A

b)

B

c)

C

d)

D

26.

Which atom has the electron configuration? 1s22s22p3

a)

Nitrogen

b)

Boron

c)

Magnesium

d)

it is impossible to determine

27.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
28.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
29.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
30.
What is the name of this element?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
31.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
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.
?
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
34.
?
a)
Helium
b)
Oxygen
c)
Sodium
d)
Phosphorous
35.

The lines in the emission spectrum for hydrogen are formed from ___.

a)

energy given off when the electron moves from higher energy levels to lower energy levels

b)

electrons given off as hydrogen burns

c)

protons given off when protons move from higher energy levels to lower energy levels

d)

electrons given off as hydrogen cools

36.

Which color has the highest frequency?

a)

green

b)

blue

c)

red

d)

yellow

37.

Which color has the longest waves?

a)

red

b)

orange

c)

yellow

d)

green

38.

Energy of a photon is ___ proportional to frequency.

a)

directly

b)

inversely

39.

Frequency of light is ___ proportional to wavelength.

a)

directly

b)

inversely

40.

The only type of electromagnetic waves you can see are

a)

infrared waves

b)

ultraviolet waves

c)

visible light waves

41.

In the image, what section of the EM spectrum is #1

a)

gamma rays

b)

visible light

c)

infrared

d)

ultraviolet

e)

radio waves

42.

In the image, what section of the EM spectrum is #7

a)

gamma rays

b)

visible light

c)

infrared

d)

ultraviolet

e)

X-rays

43.

Electromagnetic waves vary in

a)

the speed they travel in a vacuum.

b)

wavelength and frequency.

c)

the way they reflect.

d)

the orientation of their electric and magnetic fields.

44.

As frequency increases:

a)

energy increases

b)

energy decreases

c)

wavelength increases

d)

wavelength decreases

45.

In the image, what section of the EM spectrum is #2

a)

microwaves

b)

visible light

c)

X-rays

d)

ultraviolet

e)

radio waves

46.

In the image, what section of the EM spectrum is #5

a)

visible light

b)

microwaves

c)

ultraviolet

d)

gamma rays

e)

X-rays

47.

Emission of light from an atom occurs when an electron

a)

drops from a higher to a lower energy level.

b)

jumps from a lower to a higher energy level.

c)

moves within its atomic orbital.

d)

falls into the nucleus.

48.

Which of these must happen for an electron in an atom to change from the ground state to an excited state?

a)

energy must be released

b)

energy must be absorbed

c)

radiation must be emitted

d)

light must be emitted