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Unit 2 and 3 Atom Test Review

Total questions: 85

Worksheet time: 9hrs 28mins

Name
Class
Date
1.
The Gold Foil experiment FIRST led to the discovery of the…
a)
Atom
b)
Electron
c)
Neutron
d)
Nucleus
2.
What was the charge of the alpha particles in the Gold Foil experiment?
a)
Neutral
b)
Positive
c)
Unknown
d)
Negative
3.

What's the difference between these two atomic models?

a)

The Bohr model has specific paths for the electrons, whereas the Rutherford model just has electrons wherever

b)

The Bohr model has a nucleus and the Rutherford model doesn't

c)

The Rutherford model has electrons because Rutherford discovered the electron

d)

Rutherford's model is slightly smaller because Bohr felt like he deserved it

4.

The scientist(s) that is repsonsible for the Plum Pudding Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

5.

The scientist(s) that is repsonsible for the Electron Cloud Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

6.

The scientist(s) that is repsonsible for the Planetary Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

7.

The scientist(s) that is repsonsible for the Bohr Model is

a)

JJ Thompson

b)

John Dalton

c)

Ernest Rutherford

d)

Schordinger & Heisenberg

e)

Niels Bohr

8.

The results of the Gold Foil Experiment led Rutherford to discover

a)

that the nucleus is positively charged

b)

that the atom is a solid sphere

c)

that the atom is mostly empty space

d)

that electrons exist

9.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

10.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

11.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

12.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

13.

The image shows the

a)

Solid Sphere Model

b)

Plum Pudding Model

c)

Planetary Model

d)

Bohr Model

e)

Electron Cloud Model

14.

Which model was created by Thomson?

a)

He did not have a model, he had a hypothesis.

b)

c)

15.
The picture above represents Rutherford’s __________ experiment.
a)
gold foil
b)
cathode ray tube
c)
oil drop
d)
physical and chemical changes
16.
Rutherford’s experiment determined that the nucleus of an atom is tiny, dense and  ______ charged. 
a)
positively
b)
negatively
c)
neutrally
17.

Which answer lists the atomic models in order from EARLIEST to MOST MODERN?

a)

1) Simple indivisible atom, 2) Plum-pudding, 3) Planetary, 4) Bohr, 5) Electron cloud

b)

1) Simple indivisible atom, 2) Planetary, 3) Plum-pudding , 4) Bohr, 5) Electron cloud

c)

1) Simple indivisible atom, 2) Plum-pudding, 3) Bohr, 4) Planetary, 5) Electron cloud

18.

What is the atomic number of this element?

a)

33

b)

75

c)

108

d)

42

19.

How many neutrons are in an atom of this element?

a)

19

b)

39

c)

58

d)

20

20.

How many electrons would you find in an electrically neutral atom of this element?

a)

28

b)

14

c)

10

d)

42

21.

What is the mass number of this element?

a)

80

b)

25

c)

55

22.

What is the element symbol of this element?

a)

5

b)

B

c)

11

d)

Boron

23.

How many valence electrons does carbon have?

a)

4

b)

5

c)

6

d)

7

24.
Valence electrons are the...
a)
Innermost electrons
b)
Middle electrons
c)
Outermost electrons
d)
Any electrons
25.

What does the bottom most number (39.098) represent?

a)

Atomic number

b)

Atomic mass

c)

Number of protons

d)

Number of electrons

26.

How many neutrons does an Oxygen atom have?

a)

8

b)

16

c)

24

d)

7.999

27.

What does top most number (47) represent?

a)

Number of protons

b)

Number of neutrons

c)

Number of electrons

d)

Number of protons and neutrons

28.

What subatomic particles are coloured green in this image?


(a)  
Choose from the below words
electrons
protons
neutrons
29.
Which is an electron?
a)
A
b)
B
c)
C
30.
What does the nucleus of an atom contain?
a)
Electrons and neutrons
b)
Protons and neutrons
c)
Neutrinos and positrons
d)
DNA and RN
31.

The atomic mass is the

a)

number of protons and neutrons inside the nucleus

b)

number or electrons or protons

c)

number of protons, neutrons and electrons

32.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
33.

What is the CHEMICAL SYMBOL in this element tile?

a)

10

b)

Ne

c)

Neon

d)

20.18

34.

What is the atomic number of silicon?

a)

14

b)

28

c)

42

d)

7

35.

How many neutrons are in magnesium?

a)

12

b)

24

c)

25

d)

36

36.

What is the symbol for arsenic?

a)

A

b)

As

c)

33

d)

75

37.

How many protons are in Chlorine?

a)

35

b)

18

c)

17

d)

52

38.

How many protons in a lithium ion (Li+1)?

a)

3

b)

7

c)

4

d)

2

39.

How many electrons in an oxygen ion (O-2)?

a)

8

b)

7

c)

10

d)

16

40.

How many electrons in a neutral lithium atom?

a)

3

b)

7

c)

4

d)

1

41.

What is the relative charge of a proton?

a)

+1

b)

-1

c)

0

42.

The aluminum ion in the image

a)

gains 3 electrons.

b)

loses 3 electrons.

c)

has 3 more protons than electrons.

d)

has 13 protons, 10 electrons, 14 neutrons

e)

has 13 protons, 13 electrons, 27 neutrons

43.

Determine the particles of beryllium ion:

protons=

electrons=

neutrons=

oxidation number(how much electrons gain or lose=

what type of ion(cation, anion)

Type in your answer below:

4 lines
44.

The chloride ion

a)

is an anion.

b)

is a cation.

c)

gains one electron.

d)

loses one electron.

45.

Sodium-ion is

a)

neutral.

b)

a cation.

c)

an anion.

46.

Calculate the average atomic mass of the element iron (Fe) using the following data:

[Isotope / % abundance]

[Iron 54 / 6% ] [Iron 56 / 92% ] [ Iron 57 / 2% ]

a)

53.7 amu

b)

54.9 amu

c)

5592.0 amu

d)

55.9 amu

47.
4.35% of all X atoms have a mass of 39.946 amu. 83.79% have a mass of 41.941 amu, 9.50% have a mass of 42.941 amu, and 2.36% have a mass of 43.939 amu. What is the average atomic mass of atom X?
a)
41.97 amu
b)
42.19 amu
c)
10.43 amu
d)
40.04 amu
48.
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
a)
32
b)
33
c)
34
d)
no way to know
49.

Rubidium has two naturally occurring isotopes, 85Rb (relative mass 84.9118 amu) and 87Rb (relative mass 86.9092 amu). The abundance of 87Rb is 27.8%, If rubidium has an average atomic mass of 85.47 amu, what is the % abundance of 85Rb (in percent)?

a)

27.9%

b)

72.1%

c)

74.63%

d)

34.29%

50.

A sample of cesium is 75% Cs-133, 20% Cs-132, and 5% Cs-134. What is the average atomic mass?

a)

132.97 amu

b)

133.00 amu

c)

133.16 amu

d)

132.85 amu

51.

Calculate the wavelength of the yellow light emitted by the street light, if the frequency of the radiation is 5.10x1014Hz.

a)

5.12 x 10-7m

b)

5.88 x 10-7 m

c)

4.20 x 1014m

d)

3.0 x 108m

52.

Energy is measured in........

a)

Wavelength

b)

Meters

c)

Joules

d)

Frequency

53.

The symbol for wavelength Is?

a)

nu

b)

lambda

c)

vi

d)

meters

54.

On a wave, the distance between crest to crest is called?

a)

amplitude

b)

wavelength

c)

frequency

d)

trough

55.

Which color in the visible spectrum of light has the longest wavelength?

a)

Indigo

b)

Red

c)

Blue

d)

Violet

56.

Calculate the wavelength of blue light emitted by a mercury lamp with a frequency of 6.88 x 1014 Hz.

a)

3.44 x 10-6m

b)

4.36 x 10-7m

c)

3.0 x 108 m

d)

633 m

57.

What is the frequency of light with a wavelength of

4.8 x 10-7 meters?

a)

5.34 x 10-9 Hz

b)

3.0 x 108 Hz

c)

3.21 x 1017 Hz

d)

6.25 x 1014 Hz

58.

The unit of measure for frequency is?

a)

Seconds

b)

Meters

c)

Hertz

d)

Liters

59.

Gamma rays can cause damage to living tissues because...

a)

They have medium wavelengths that can interfere with cell replication.

b)

They have very long wavelengths that can interfere with cell replication.

c)

They have very short wavelengths that can interfere with cell replication.

d)

None of these

60.

The symbol for a frequency of a wave is?

a)

Hertz

b)

v

c)

lambda

d)

meters/second

61.

What does "h" stand for?

a)

Speed of Light

b)

Plank's Constant

c)

Speed of Sound

d)

Constant Energy

62.

What is the unit of Energy?

a)

J

b)

Hz

c)

nm

d)

s

63.

What is the units for speed of light?

a)

c

b)

J

c)

m/s

d)

Hz

64.

The number of cycles in a given amount of time is ...

a)

longitudinal wave

b)

frequency

c)

diffraction

d)

reflection

65.

What does energy have to do with wavelength and frequency?

a)

The higher the frequency the less energy the wave has.

b)

The lower the frequency the more energy the wave has.

c)

The shorter the wavelength the more energy the wave has.

d)

The longer the wavelength the more energy the wave has.

66.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
67.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
68.

How many electrons can the d sublevel (the d orbitals) hold?

a)

14

b)

10

c)

2

d)

6

69.

Choose the correct shortcut configuration for iodine.

a)

[Ar]4s24d104p5

b)

[Kr]5s24d105p5

c)

[Xe]5s25d105p5

d)

none of the above

70.

Each row on the periodic table represents:

a)

an energy level

b)

a sublevel

c)

an electron

d)

an orbital

71.

Which area on the periodic table represents the electrons in the "d" sublevel (d orbitals)?

a)

representative elements

b)

columns 3-8

c)

rare earth elements

d)

transition elements

72.

Which periodic table family below has their last, most energetic electron in their electron configuration in the s-block?

a)

Alkaline Earth

b)

Halogens

c)

Noble Gases

d)

Transition Metals

73.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
74.

Each orbital can hold how many electrons?

a)

5

b)

4

c)

8

d)

2

75.
How many half-filled orbitals would silicon contain?
a)
0
b)
2
c)
1
d)
3
76.

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 pointing in the same direction.

d)

All the arrows should be pointing up.

77.

In an electron configuration, what follows 4s?

a)

4p

b)

3d

c)

4s

d)

2f

78.
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
79.
What is the noble gas configuration for beryllium?
a)
[He]1s2
b)
[He]2s2
c)
[Li]2s1
d)
[Li]2s2
80.
What is the abbreviated electron configuration for barium?
a)
[Xe] 6s2
b)
[Rn] 6s2
c)
[Ar] 4s2 3d10 4p5
d)
[He] 2s2 3p1
81.
What is the noble gas configuration for Neon?
a)
[Ne]
b)
[He]2s22p6
c)
[F]2p1
d)
[Ne]2s21p6
82.

Choose the Noble Gas that you would use to begin the shorthand configuration of the following element.

Iron

a)

[He]

b)

[Ne]

c)

[Ar]

d)

[Kr]

83.

Choose the Noble Gas that you would use to begin the shorthand configuration of the following element.

Plutonium (Pu)

a)

[Xe]

b)

[Ne]

c)

[Rn]

d)

[Kr]

84.

What is the shorthand configuration for Tin?

a)

[Xe]5s24d105p2

b)

[Xe]5s24d105p2

c)

[Kr]5p2

d)

[Kr]5s24d105p2

85.

What is the shorthand configuration for Lead?

a)

[Xe]6s24f145d106p2

b)

[Xe]6s25d106p2

c)

[Rn]6s25d106p2

d)

[Rn]6s24f145d106p2