Free Printable Subatomic Particles

1.

The nucleus of an atom contains which subatomic particles?

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

protons, electrons, and neutrons

2.

In an atom, which two subatomic particles are equal in number?

a)

protons and neutrons

b)

all subatomic particles are equal in number

c)

neutrons and electrons

d)

protons and electrons

3.

Which subatomic particle is counted to determine the identity of an element?

a)

proton

b)

neutron

c)

electron

d)

boron

4.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

electrons

c)

neutrons

d)

protons

5.

How many neutron are in an atom of K-41?

a)

20

b)

19

c)

41

d)

22

6.

The atomic number is equal to _.

a)

the number of protons and the number of electrons

b)

the number of protons only

c)

the total number of protons and neutrons

d)

the number of protons, the number of neutrons, and the number of electrons

7.

The mass number is equal to _.

a)

the number of protons only

b)

the number of neutrons only

c)

the total number of protons and neutrons

d)

the number of protons, neutrons, and electrons.

8.

Which subatomic particle has a +1 charge?

a)

proton

b)

neutron

c)

electron

d)

primaton

9.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

negatron

10.

What is the center of an atom called?

a)

The neutrius

b)

The centrus

c)

The hypothesis

d)

The nucleus

11.

How many protons are in zirconium (Zr)?

a)

40

b)

91

c)

4

d)

51

12.

What is the mass number for this atom of copper?

a)

63

b)

29

c)

34

d)

92

13.

How many electrons does copper have?

a)

29

b)

33

c)

35

d)

30

14.

How many electrons does an atom of sulfur contain?

a)

16

b)

32

c)

10

d)

6

15.

The number of protons is equal to

a)

the atomic number

b)

the number of neutrons

c)

the energy levels

d)

the periodic table groups

16.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

20

17.

How many neutrons does this atom's nucleus contain?

a)

63

b)

29

c)

92

d)

34

18.

How many neutrons does this atom's nucleus contain?

a)

1

b)

2

c)

3

d)

0

19.

How many electrons does an atom of Krypton have?

a)

36

b)

83.80

c)

84

d)

48

20.

What is the atomic number for an element with 41 neutrons and a mass number of 80?

a)

39

b)

41

c)

80

d)

121

21.

How many protons are present in phosphorus-31?

a)

15

b)

16

c)

31

d)

46

22.

How many neutrons does this isotope of lithium have?

a)

8

b)

3

c)

4

d)

5

23.

^{What does the 6, above the element symbol, represent?}

a)

neutrons

b)

atomic mass

c)

mass number

d)

atomic number

24.

mass number - atomic number =

a)

protons

b)

neutrons

c)

electrons

d)

atomic mass

25.

A neutral atom of the element sodium has ____ electrons.

a)

12

b)

23

c)

1

d)

11

26.

How many neutrons does oxygen-18 have?

a)

16

b)

10

c)

8

d)

Not enough information to determine

27.

How many neutrons does an element with an atomic number of 3 and a mass number of 7 contain?

a)

6.941

b)

4

c)

3

d)

7

28.

An atom with 19 protons, and 19 electrons and a mass number of 39 has how many neutrons?

a)

19

b)

39

c)

20

d)

58

29.

An atom has 5 protons, 6 neutrons, and 5 electrons. What is the mass number?

a)

5

b)

6

c)

11

d)

10

30.

What is the yellow subatomic particle?

a)

Electron

b)

Proton

c)

Neutron

d)

Electric

31.

How many protons does B have?

a)

11

b)

5

c)

6

d)

10

32.

How many electrons does Si-29 have?

a)

16

b)

14

c)

15

d)

13

33.

How many neutrons does fluorine-17 have?

a)

9

b)

19

c)

8

d)

10

34.

What is the mass number of a carbon atom with 8 neutrons?

a)

8

b)

6

c)

12

d)

14

35.

How many protons are in C-14?

a)

14

b)

6

c)

8

d)

7

36.

How many protons does this isotope of titanium have?

a)

48

b)

22

c)

26

d)

70

37.

What quantities vary between isotopes of an element?

a)

protons, electrons, and mass number

b)

protons, electrons, and atomic number

c)

neutrons and electrons

d)

neutrons and mass number

38.

How many protons are in this element?

a)

79

b)

196

c)

117

d)

Cannot be determined

39.

which explanation of this notation is correct?

a)

12 is the atomic number

b)

6 tells you there are 6 neutrons

c)

6 tells you there are 6 protons

d)

12 is the atomic mass

40.

What is the mass number of the most abundant isotope of fluorine?

a)

9

b)

18

c)

17

d)

19

41.

How many neutrons does an atom of lithium-6 have?

a)

8

b)

3

c)

4

d)

5

42.

How many protons are in the nucleus of helium?

a)

0, they are all outside of the nucleus

b)

1

c)

2

d)

3

43.

What is the same for both atoms?

a)

number of nuclear particles

b)

number of electrons

c)

number of neutrons

d)

number of protons

44.

Which atom has 4 neutrons?

a)

Li-6

b)

Li-7

c)

Li-8

d)

They all have the same number of neutrons.

45.

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

a)

12 neutrons

b)

12 electrons

c)

12 protons

d)

24 protons and neutrons

46.

The atomic mass on the periodic table is an average of all the ____ of an element based on abundance.

a)

protons

b)

isotopes

c)

ions

d)

charges

47.

How do you decide which isotope is the most common by looking at the periodic table?

a)

Round the atomic mass to the nearest whole number.

b)

Round the atomic number to the nearest whole number

c)

An equation is required.

d)

The periodic table does not provide this information.

48.

How do you determine the number of valence electrons the main group elements have when neutral?

a)

Corresponds to the period number

b)

Corresponds to the group number

c)

Corresponds to the block number

d)

Corresponds to the atomic number

49.

The valence electrons are the outermost electrons which determine an elements ________.

a)

mass

b)

kinetic energy

c)

reactivity

d)

half-life

50.

What is always different about 2 isotopes of the same element?

a)

Their number of protons

b)

Their number of electrons

c)

Their number of neutrons

d)

Their number of valence electrons

51.

In a correctly written symbol what would be located in the "A" position?

a)

number of neutrons

b)

atomic number

c)

atomic mass

d)

mass number

52.

Isotopes are atoms of the same element with different numbers of __________ and therefore different __________.

a)

n⁰ ; atomic numbers

b)

p⁺ ; atomic numbers

c)

e^- ; atomic masses

d)

n⁰ ; mass numbers

53.

How many neutrons does the isotope below have?

krypton-89

a)

53

b)

36

c)

89

d)

125

54.

If X is the symbol for an element, which of the following two symbols represent isotopes of the same element?

I. ⁷⁷₃₅X

II. ⁷⁷₃₃X

III. ⁸¹₃₇X

IV. ⁸¹₃₅X

a)

I and II

b)

III and IV

c)

I and IV

d)

I and III

55.

How many neutrons does an atom of the isotope neon-22 have?

a)

12

b)

10

c)

22

d)

20

56.

Four isotopes of lead include lead-204, lead-206, lead-207, and lead-208. Which isotope of lead is likely to be the most abundant.

a)

204

b)

206

c)

207

d)

208

57.

In a correctly written symbol what would be located in the Z position?

a)

atomic mass

b)

atomic number

c)

number of electrons

d)

mass number

58.

Bromine-80 has how many neutrons?

a)

41

b)

42

c)

44

d)

45

59.

76 protons and 114 neutrons

a)

Osmium-114

b)

Osmium-76

c)

Osmium-190

d)

Osmium-190.23

60.

How many neutrons does a sodium-24 isotope have?

a)

12

b)

13

c)

14

d)

15

61.

How many neutrons does a calcium-48 isotope have?

a)

48

b)

20

c)

28

d)

18

62.

How many neutrons does an oxygen-19 isotope have?

a)

19

b)

8

c)

11

d)

10

63.

How many neutrons does an iodine-133 isotope have?

a)

80

b)

133

c)

53

d)

77

64.

How many neutrons does a sulfur-31 isotope have?

a)

15

b)

16

c)

32

d)

17

65.

How many neutrons does a fluorine-14 isotope have?

a)

4

b)

5

c)

9

d)

14

66.

What is the name of the pictured isotope?

a)

chlorine-52

b)

chlorine-17

c)

chlorine-35

d)

chlorine-18

67.

What is the name of the pictured isotope?

a)

copper-29

b)

copper-63

c)

copper-34

d)

copper-92

68.

Which isotope is this?

12 protons and 13 neutrons

a)

Mg-12

b)

Mg-13

c)

Mg-25

d)

Mg-24.305

69.

Which isotope is this?

9 protons and 7 neutrons

a)

fluorine-19

b)

fluorine-9

c)

fluorine-16

d)

fluorine-18.998

70.

Rubidium has two common isotopes, ⁸⁵Rb and ⁸⁷Rb. Which is the most common isotope?

a)

85.468

b)

85

c)

87

d)

86

71.

How do you calculate mass number?

a)

Mass x percent

b)

Protons + Electrons

c)

Protons + Neutrons

d)

Neutrons + Protons + Electrons

72.

Chromium has four naturally occurring isotopes (chromium-50, chromium-52, chromium-53, and chromium-54). Which is the most abundant isotope?

a)

50

b)

54

c)

52

d)

53

73.

a)

2

b)

8

c)

3

d)

13

74.

a)

12

b)

7

c)

8

d)

14

75.

a)

7

b)

8

c)

9

d)

10

76.

How many valence electrons does sodium have?

a)

1

b)

11

c)

10

d)

23

77.

How many valence electrons does phosphorus have?

a)

31

b)

5

c)

15

d)

4

78.

Elements in the same column of the periodic table always have the same number of _______ as one another.

a)

core electrons

b)

neutrons

c)

protons

d)

valence electrons

79.

How many valence electrons are found in atoms of group 14?

a)

4

b)

3

c)

14

d)

16

80.

Which group has the greatest number of valence electrons?

a)

1

b)

14

c)

18

d)

16

81.

Which elements have the most similar chemical reactivity?

a)

boron and carbon

b)

oxygen and sulfur

c)

aluminum and silicon

d)

argon and chlorine

82.

How many valence electrons are in an atom of Ba?

a)

2

b)

8

c)

4

d)

1

83.

How many valence electrons does hydrogen have?

a)

1 valence electron

b)

2 valence electrons

c)

3 valence electrons

d)

4 valence electrons

e)

5 valence electrons

84.

How many valence electrons does helium have?

a)

1 valence electron

b)

2 valence electrons

c)

3 valence electrons

d)

4 valence electrons

e)

8 valence electrons

85.

How many valence electrons does nitrogen have?

a)

15 valence electrons

b)

2 valence electrons

c)

3 valence electrons

d)

4 valence electrons

e)

5 valence electrons

86.

How many valence electrons does magnesium have?

a)

1 valence electron

b)

2 valence electrons

c)

3 valence electrons

d)

4 valence electrons

e)

12 valence electrons

87.

How many valence electrons are found in atoms of group 1?

a)

7

b)

6

c)

4

d)

1

88.

The maximum number of valence electrons any main group element can have in their outermost shell is ___.

a)

1

b)

2

c)

8

d)

18

89.

When trying to identify an unknown element, a scientist determines the element's chemical reactivity. Which property of the unknown element determines this reactivity?

a)

The total number of neutrons in the unknown element

b)

The total number of particles in the nucleus of the unknown element

c)

The number of protons in the nucleus of the unknown element

d)

The number of valence electrons in the unknown element

90.

Rows on the periodic table are called _____ while columns are called _____.

a)

groups, families

b)

groups, periods

c)

periods, groups

d)

families, groups

91.

How many valence electrons are in this element?

a)

7

b)

6

c)

5

d)

2

92.

What is the name of this neutral element?

a)

calcium

b)

helium

c)

lithium

d)

boron

93.

Which element has the same number of electrons in the outer energy level as oxygen?

a)

beryllium

b)

carbon

c)

chlorine

d)

selenium

94.

How many valence electrons does this element have?

a)

3

b)

4

c)

2

d)

1

95.

Identify this neutral element.

a)

lithium

b)

sodium

c)

hydrogen

d)

helium

96.

Is this model correct for carbon?

a)

Yes, this is the correct model for carbon.

b)

No, the electrons are in the wrong shells.

c)

No, the number of nuclear particles is wrong.

d)

No, the number or nuclear particles is wrong AND the electrons are in the wrong shells.

97.

What group is this element located in?

a)

1

b)

2

c)

3

d)

4

98.

What is the identity of the isotope with 8 protons and 8 neutrons?

a)

carbon-16

b)

oxygen-16

c)

oxygen-8

d)

carbon-8

99.

How many electron shells (energy levels) does this atom have?

a)

1

b)

2

c)

3

d)

4

100.

Identify this neutral element.

a)

aluminum

b)

boron

c)

lithium

d)

gallium

101.

How many core electrons does an atom of sulfur contain?

a)

16

b)

32

c)

10

d)

6

102.

How many core electrons does hydrogen have?

a)

1 core electron

b)

2 core electrons

c)

3 core electrons

d)

4 core electrons

e)

0 core electrons

103.

What group is this element in?

a)

15

b)

2

c)

5

d)

17

Subatomic Particles

Total questions: 103

Worksheet time: 2hrs 43mins

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