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Atomic Structure and Subatomic Particles

Total questions: 85

Worksheet time: 7hrs 5mins

Name
Class
Date
1.

Proton

a)

Positive Charge

b)

Negative Charge

c)

No Charge

d)

Neutral

2.

Proton

a)

Positive Charge

b)

Negative Charge

c)

No Charge

d)

Neutral

3.

Neutron

a)

Positive Charge

b)

Negative Charge

c)

No Charge

d)

Neutral

4.

Electron

a)

Positive Charge

b)

Negative Charge

c)

No Charge

d)

Neutral

5.

Proton

a)

Inside Nucleus

b)

Outside Nucleus

6.

Neutron

a)

Inside Nucleus

b)

Outside Nucleus

7.

Electron

a)

Inside Nucleus

b)

Outside Nucleus

8.

Nucleus

a)

Contains protons and neutrons

b)

Contains protons and electrons

c)

Contains only electrons

d)

Contains protons, neutrons, and electrons

9.

Electron Cloud

a)

Contains protons and neutrons

b)

Contains protons and electrons

c)

Contains only electrons

d)

Contains protons, neutrons, and electrons

10.

Atomic Mass

a)

Protons + Neutrons

b)

Protons + Electrons

c)

Protons + Protons

d)

Neutrons + Electrons

11.

Atomic Number

a)

Protons + Neutrons

b)

Protons + Electrons

c)

Protons Only

d)

Neutrons + Electrons

12.

Atom

a)

Smallest unit of an element

b)

Smallest unit of the cell

c)

Largest part of an element

d)

Largest part of the cell

13.
What is the nucleus? 
a)
The center (middle) of the atom
b)
The outside electron cloud
c)
The area inside the electron charge
d)
The positive or negative charge of the atom 
14.
What two sub-atomic particles are inside the nucleus of the atom? 
a)
Protons and Electrons
b)
Electrons and Neutrons
c)
Protons and Nucleus 
d)
Protons and Neutrons 
15.
Which sub-atomic particle is OUTSIDE the nucleus of the atom? 
a)
Electron
b)
Neutron
c)
Proton
d)
Nucleus 
16.
Which sub-atomic particle is the smallest?
a)
Electron
b)
Neutron
c)
Proton
d)
Nucleus 
17.
Which sub-atomic particle is the largest?
a)
Electron
b)
Neutron
c)
Proton
d)
Protons and Neutrons are equal
18.
What two particles make up the ATOMIC MASS of an element? 
a)
Protons and Neutrons
b)
Protons and Electrons
c)
Electrons and Nucleus
d)
Electrons and Neutrons
19.
Which particle makes up the ATOMIC NUMBER of an element? 
a)
Protons
b)
Electrons
c)
Protons and Neutrons
d)
Neutrons
20.
What does the term "sub-atomic" mean? 
a)
A substance "inside or within" the atom
b)
A substance "outside" the atom 
c)
A substance "eaten by" the atom
d)
A substance "larger than" the atom
21.
What charge is an electron? 
a)
Positive
b)
Negative
c)
Neutral
d)
Positive or Negative 
22.
What charge is an proton? 
a)
Positive
b)
Negative
c)
Neutral
d)
Positive or Negative 
23.
What charge is an neutron? 
a)
Positive
b)
Negative
c)
Neutral
d)
Positive or Negative 
24.
What is the neutron? 
a)
A negatively charged particle outside the nucleus 
b)
A positively charged particle inside the nucleus 
c)
A particle without a charge inside the nucleus 
d)
A positively charged particle outside the nucleus 
25.
What is the electron? 
a)
A negatively charged particle outside the nucleus 
b)
A positively charged particle inside the nucleus 
c)
A particle without a charge inside the nucleus 
d)
A positively charged particle outside the nucleus 
26.
What is the proton? 
a)
A negatively charged particle outside the nucleus 
b)
A positively charged particle inside the nucleus 
c)
A particle without a charge inside the nucleus 
d)
A positively charged particle outside the nucleus 
27.
What is an atom? 
a)
The smallest particle (electron)
b)
The smallest proton in a nulceus
c)
The largest particle outside the nucleus
d)
The basic unit of matter (elements) 
28.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
29.
What is the atomic number of the atom pictured? 
a)
9
b)
10
c)
18
d)
19
30.
What is an atom mostly made up of?
a)
protons
b)
electrons
c)
empty space
d)
neutrons
31.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
32.
What charge does the nucleus have and why?
a)
positive - the neutrons do not have a charge
b)
positive - the neutrons and protons are positively charged particles
c)
neutral - the neutral charge dominates the positive charge
d)
neutral - electrons cancel out the positive charge of the atom
33.

True or False

Atoms are the smallest things.

a)

False, there are many more sub-atomic particles than protons neutrons and electrons.

b)

False, cells are smaller.

c)

True, since atoms are the samllest units of matter.

d)

False, light is smaller than atoms.

34.

If you have one of which of these, it would count as having a whole atom?

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

35.

A proton has what charge?

a)

Positive

b)

Negative

c)

Neutral

36.

A neutron has what charge?

a)

Positive

b)

Negative

c)

Neutral

37.

Where can protons and neutrons be found in the atom?

a)

On orbitals

b)

On the outside ring

c)

Inside the nucleus

d)

Next to the nucleus

38.

Where can electrons be found?

a)

In outer shells

b)

In the nucleus

c)

In the middle

d)

On orbits

39.

How can you determine how many protons an element has?

a)

Loot at the atomic weight

b)

Look at the atomic number

c)

Subtract the atomic weight from the atomic number

d)

Add the atomic weight to the atomic number

40.

How many protons does Potassium (K) have?

a)

19

b)

39

c)

20

d)

58

41.

What two subatomic particle charges cancel each other out?

a)

Protons and neutrons

b)

protons and electrons

c)

electrons and neutrons

d)

None of the above

42.

Which of the following is considered the building block of life?

a)

Atoms

b)

Molecules

c)

Compounds

d)

Elements

43.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
44.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
45.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
46.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
47.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
48.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
49.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
50.
What particle provided the positive charge for an atom?
a)
proton 
b)
neutron
c)
electron
d)
nucleus
51.
The name of the subatomic particle that determines the identity of an atom.
a)
proton
b)
nucleus
c)
electron
d)
neutron
52.
Which particle contributes the negative charge to the atom?
a)
proton
b)
electron
c)
neutron
d)
nucleus
53.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
54.
Which of the following statements about protons and neutrons is true?
a)
Protons weigh much more than neutrons
b)
Neutrons weigh much more than protons
c)
Protons and neutrons weigh about the same
d)
Neither protons or neutrons have any weight
55.
An element can be defined by the number of ___________ in the nucleus of its atoms.
a)
protons
b)
neutrons
c)
electrons
d)
atoms
56.
Where are protons located in an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
57.
Where are neutrons located within an atom?
a)
nucleus
b)
electron cloud
c)
neutron
d)
who knows?
58.
An atom's protons and neutrons are concentrated in a dense, central region called the...
a)
electron cloud
b)
nucleus
c)
proton
d)
neutron
59.
The smallest particle of an element that retains the properties of that element is a(n)
a)
atom
b)
electron
c)
proton
d)
neutron
60.
What holds the electrons?
a)
nucleus
b)
electron cloud
c)
protons
d)
neutrons
61.
Which of the following is unique for any given element?
a)
the number of neutrons
b)
the charge on the electrons
c)
the number of protons
d)
the mass of a neutron
62.
Hydrogen has 1 proton. It's atomic number is:
a)
0
b)
1
c)
2
d)
cannot be determined
63.

The atomic number is defined as

a)

The number of electrons

b)

The number of protons

c)

The number of neutrons

d)

The number of protons + neutrons

e)

The number of protons + electrons

64.

The atomic mass is defined as

a)

The number of electrons

b)

The number of protons

c)

The number of neutrons

d)

The number of protons + neutrons

e)

The number of protons + electrons

65.

What is in the middle of an atom?

a)

protons

b)

neutrons

c)

electrons

d)

protons & neutrons

e)

protons & electrons

66.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
67.
What is the atomic number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
68.
What is the mass number?
a)
the number of protons
b)
the number of protons and neutrons
c)
the number of neutrons
d)
the number of protons and electrons
69.
Atoms are mostly filled with?
a)
electrons
b)
empty space
c)
protons
70.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
71.
Where is the proton located?
a)
In the very dense nucleus
b)
Floating around in the negative electron cloud
c)
the loose nucleus
d)
the positive electron cloud
72.
What number on the element key tells you how many protons an element has?
a)
Atomic Mass
b)
Element name
c)
Atomic number
d)
Element Symbol
73.
Which description about the proton is accurate?
a)
Positively charged particle with a mass less than 0 amu
b)
A neutrally charged particle with a mass less than 0 amu
c)
Positively charged particle with a mass of 1 amu
d)
A neutrally charge particle with a mass of 1 amu
74.
Elements can have the same number of protons?
a)
True
b)
False
75.
Protons are equal to:
a)
Atomic Mass
b)
Number of neutrons
c)
Atomic Number
d)
All of the subatomic particles
76.
Which subatomic particle causes the nucleus to have a positive charge?
a)
Neutron
b)
Electrons
c)
Protons
d)
Valence electrons
77.
The electron cloud is the home of the proton?
a)
True
b)
False
78.

The subatomic particle with the least mass is the

a)

proton

b)

neutron

c)

electron

79.

If I have 20 protons, how many electrons will I have?

a)

10

b)

20

c)

1

80.

How many protons do I have if my atomic mass is 6?

a)

6

b)

12

c)

24

81.

True or False. There are the same # of protons and electron in an atom?

a)

True

b)

False

82.

Who lives in the nucleus with the neutron?

a)

proton

b)

neutron

c)

electron

83.

Most of an atom's weight/mass is found in the

a)

electron cloud

b)

nucleus

c)

shells

d)

orbitals

84.

Which is the least massive subatomic particle?

a)

proton

b)

neutron

c)

electron

85.

Which element is this a picture of?

a)

Boron (Atomic number 6)

b)

Oxygen (Atomic number 8)

c)

Helium (atomic number 2)

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