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3.2 Subatomic Particles

Total questions: 60

Worksheet time: 2hrs 30mins

Name
Class
Date
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.
What is the atomic mass of Neon?
a)
10
b)
20.18
c)
10.18
d)
30.18
3.

How many neutrons does this isotope of lithium have?

(This is written in nuclear notation.)

a)
8
b)
3
c)
4
d)
5
4.
What does the 6 represent above the C
a)
Symbol 
b)
Name 
c)
Mass Number 
d)
Atomic Number 
5.

An element is identified by its number of 

a)
protons
b)
electrons
c)
neutrons
d)
protons + electrons
6.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
7.
Particles in an atom's nucleus that are neutral and have no charge are 
a)
megatrons. 
b)
electrons.
c)
neutrons.
d)
protons. 
8.
A neutral atom of the element sodium has 11 protons and ____ electrons.
a)
22
b)
23
c)
8
d)
11
9.
How many neutrons does oxygen have?
a)
16
b)
15.99
c)
8
d)
Doesn't contain any neutrons
10.
A negatively charged particle that moves around the nucleus is a(n)
a)
proton
b)
neutron
c)
electron
d)
quark
11.

A proton has a _________ charge.

a)

Negative

b)

Positive

c)

Neutral

d)

Opposite

12.

An atom has 9 protons and 9 neutrons, what is the element and what is it's mass?

a)

Fluorine-18

b)

Fluorine-9

c)

Fluorine-16

d)

Fluorine-18.998

13.

An atom has 12 protons and 13 neutrons, what is the element's symbol and what is its mass?

a)

Mg-12

b)

Mg-13

c)

Mg-25

d)

Mg-24.305

14.
What is the atomic number of this atom?
a)
1
b)
3
c)
4
d)
7
15.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

16.

Atoms of the same element which have a different number of neutrons are called _________________.

a)

ions

b)

isotopes

c)

quarks

d)

molecules

17.

ALL atoms of the same element have:

a)

same number of proton

b)

same number of nucleon

c)

different number of neutron

d)

different number of electron

18.
How many neutrons does the isotope below have?     89 36Kr
a)
53
b)
36
c)
89
d)
125
19.

What is the dense center of an atom containing most of the atom's mass?

a)

nucleus

b)

neutron

c)

proton

d)

electron cloud

20.

Most of atom's volume is located in the electron cloud which is mostly made of

a)
the nucleus
b)
the protons
c)
the neutrons
d)
empty space
21.

The exact location of an ___ is impossible to know at any given time.

a)

electron

b)

proton

c)

neutron

d)

quark

22.

Atomic number is a measure of the...

a)

Number of electrons

b)

Number of neutrons

c)

Number of protons

d)

Number of protons and neutrons

23.

To have a charge of zero, what two particles must be balanced in an atom?

a)

Protons and Electrons

b)

Protons and neutrons

c)

Electrons and neutrons

24.

What subatomic particle is different between isotopes?

a)

Electrons

b)

Protons

c)

Neutrons

25.

Mass number is a measure of an atom's

a)

Electrons and protons

b)

Electrons and neutrons

c)

Neutrons and protons

26.

APE means...

a)

Atomic # = Protons = Electrons

b)

Atomic # - Protons = Electrons

c)

Atomic # = Protons + Electrons

d)

Atomic # = Protons - Electrons

27.

MAN means... (there may be more than one correct answer)

a)

Mass # = Atomic # - Neurtons

b)

Mass # = Atomic # + Neutrons

c)

Mass # - Atomic # = Neutrons

d)

Mass # = Atomic # = Neutrons

28.

Protons are

a)

Negative

b)

Positive

c)

No charge

d)

Atomic Number

29.

Neutrons have

a)

Negative

b)

Positive

c)

No charge

d)

Atomic Number

30.

Electrons are are

a)

Negative

b)

Positive

c)

No charge

d)

Atomic Number

31.

In the nucleus you can find the

a)

Protons, neutrons and electrons

b)

Protons and neutrons

c)

Protons and electrons

d)

Neutrons

32.

All of the mass is located in the -

a)

Electron cloud

b)

APE

c)

MAN

d)

Nucleus

33.

The smallest subatomic particle

a)

Protons

b)

Neutrons

c)

Electrons

d)

Atoms

34.

An element has an atomic number of 9 and a mass of 19 amu. What is the number of protons this element has?

a)

9

b)

19

c)

10

d)

28

35.

An element has an atomic number of 9 and a mass of 19 amu. What is the number of electrons this element has?

a)

9

b)

19

c)

10

d)

28

36.

An element has an atomic number of 9 and a mass of 19 amu. What is the number of neutrons this element has?

a)

9

b)

19

c)

10

d)

28

37.

What is represented by the letter T?

a)

Nucleus

b)

Electron

c)

Proton

d)

Neutrons

38.

What is represented by the letter S?

a)

Nucleus

b)

Electron

c)

Proton

d)

Neutrons

39.

What is represented by the letter Q?

a)

Nucleus

b)

Electron

c)

Proton

d)

Neutrons

40.

What is represented by the letter R?

a)

Nucleus

b)

Electron

c)

Proton

d)

Neutrons

41.

The atomic number is the same as the number of

a)

Protons

b)

Neutrons

c)

Mass

d)

Atom

42.

What gives you the identity of an element?

a)

Mass

b)

Atomic number

c)

Protons

d)

Electrons

43.

An element has 3 electrons and a mass of 7. How many protons does this element have?

a)

3

b)

7

c)

4

d)

10

44.

How many protons does Boron, B have?

a)

5

b)

11

c)

6

45.

How many Neutrons does Hydrogen have?

a)

1

b)

0

46.

How many protons does an element with an atomic number of 32 and a mas of 73 have?

a)

32

b)

73

c)

41

47.

How many electrons does Lithium have if it has an atomic number of 3 and mass of 7?

a)

3

b)

7

c)

4

48.

What is the mass number of Potassium (K) atom that has 20 neutrons?

a)

18

b)

19

c)

20

d)

39

49.

An atom has 25 protons, 30 neutrons, and 25 electrons. What is the charge of the atom's nucleus?

a)

+25

b)

+30

c)

-25

d)

-30

50.

An atom of Chlorine, Cl, has an atomic number of 17 and a mass of 35. How many subatomic particles are INSIDE the nucleus

a)

17

b)

35

c)

18

51.

An atom of Chlorine, Cl, has an atomic number of 17 and a mass of 35. How many subatomic particles are OUTSIDE the nucleus

a)

17

b)

35

c)

18

52.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

53.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

54.

How many neutrons are in this element?

a)

26

b)

56

c)

82

d)

30

55.

How many electrons are in Gold

a)

79

b)

118

c)

197

d)

276

56.

Which of the labeled structures is a neutron?

a)

a

b)

b

c)

c

57.
What particle uniquely identifies an element?
a)
Number of Valence Electrons
b)
Number of Protons
c)
Number of Electrons
d)
Atomic Mass
58.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
59.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
60.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron

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