WorksheetsAtoms and Atomic Structure
Total questions: 58
Worksheet time: 29mins
Name
Class
Date
1.
The mass of a neutron is __.
a)
1
b)
less than the mass of an electron
c)
0
d)
2
2.
The mass of a proton is __.
a)
1
b)
equal to the mass of an electron
c)
0
d)
2
3.
The mass of an electron is __.
a)
0
b)
more than the mass of a proton
c)
1
d)
2
4.
The mass of a particular atom is its __.
a)
atomic mass
b)
atomic number
c)
mass number
d)
atomic mass number
5.
The smallest particles of matter are called
a)
atoms
b)
protons
c)
electrons
d)
neutrons
6.
The sum of protons and neutrons around the nucleus
a)
atomic number
b)
mass number
c)
average atomic mass
d)
mass amount
7.
What are the 2 main parts of the atom?
a)
proton, neutron
b)
nucleus, electron cloud
c)
Electron cloud, neutron
d)
electron cloud, proton
8.
Which part of the atom stores the protons and neutrons
a)
proton cloud
b)
The nucleus
c)
electron cloud
d)
neutron cloud
9.
what part of the atom stores the negative particles?
a)
proton cloud
b)
The nucleus
c)
electron cloud
d)
neutron cloud
10.
The farther an electron is from the nucleus, the more _________ it has.
a)
charge
b)
energy
c)
mass
d)
size
11.
What charge does the nucleus have?
a)
Negative
b)
Positive
c)
Amex
d)
Neutral
12.
Which subatomic particles are the smallest?
a)
Neutrons
b)
Protons
c)
Atoms
d)
Electrons
13.
What does the atomic number represent?
a)
how many atoms are in a group.
b)
how much an atom weighs.
c)
the number of protons in the nucleus of the atom.
14.
What do protons, electrons and neutrons make?
a)
compounds
b)
molecules
c)
atoms
d)
cells
15.
Negatively charged particle
a)
proton
b)
electon
c)
neutron
16.
Neutral charge particle
a)
proton
b)
electon
c)
neutron
17.
Positively charge particle
a)
proton
b)
electon
c)
neutron
18.
Smallest known particles that make up protons and neutrons
a)
shells
b)
oritals
c)
quarks
d)
electrons
19.
The negatively charged area around the nucleus where the volume of the atom is located
a)
Electron cloud
b)
Pivots
c)
Quarks
d)
Neutrons
20.
List the Forces that hold an atom together.
4 lines
21.
A nucleus with 3 protons and 2 neutrons would have what charge?
a)
+3
b)
+5
c)
-3
d)
-5
22.
What does the number 11 stand for in the Sodium (Na)?
a)
Stranger Things
b)
atomic number
c)
atomic weight
d)
atomic volume
23.
The first electron orbit can contain up to __ electrons.
a)
2
b)
8
c)
1
d)
6
24.
The second electron shell can contain up to how much electrons?
a)
2
b)
8
c)
1
d)
6
25.
How many electrons can the third shell contain?
4 lines
26.
How many electrons can the fourth shell contain?
4 lines
27.
____________ are located on the outermost shell of the electron cloud, with the most energy
4 lines
28.
The atomic number is equal to _.
a)
the number of protons
b)
the number of neutrons only
c)
the total number of protons and neutrons
d)
the number of protons neutrons and electrons
29.
The atomic mass is equal to _.
a)
the number of protons only
b)
the total number of protons and neutrons
c)
the number of neutrons only
d)
the number of protons, neutrons, and electrons.
30.
What does the "K" stand for in the Potassium block?
a)
Symbol for the atom
b)
atomic number
c)
atomic weight
d)
atomic volume
31.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
32.
Do electrons contribute to the atomic mass of an atom?
a)
YES of course, they are there for a reason
b)
NO, they are useless to the atom
c)
No, their mass is too small to contribute to the mass
d)
YES, silly, they are the superstars of the atom
33.
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
34.
Atoms are made up of what?
a)
Molecules
b)
Compounds
c)
Cells
d)
Subatomic Particles
35.
What is the atomic number of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
36.
What is the charge of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
Positive
b)
Negative
c)
Neutral
d)
11
37.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
38.
Which of the following statements is true?
a)
The number of protons in an atom is always equal to the number of electrons.
b)
The number of neutrons in an atom is always equal to the number of protons.
c)
The number of electrons in an atom is always equal to the number of neutrons.
d)
The number of protons in an atom is always equal to the number of electrons plus the number of neutrons.
39.
The atomic mass of an element is __.
a)
the number of protons plus the number of neutrons in a particular atom
b)
the number of protons in an atom
c)
the average mass of all of the atoms of an element
d)
the number of protons plus the number of electrons in an atom
40.
An element is defined by its number of ...
a)
protons
b)
neutrons
c)
electrons
d)
protons + electrons
41.
An atom has an atomic number of 11. How many protons does it have?
a)
11
b)
12
c)
6
d)
5
42.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
43.
How many neutron are in the atom "K"?
a)
29
b)
19
c)
58
d)
20
44.
What is the atomic mass of Copper?
a)
63
b)
34
c)
29
d)
92
45.
What is the atomic number of Copper?
a)
63
b)
34
c)
29
d)
92
46.
How many electrons does Copper have?
a)
63
b)
34
c)
29
d)
92
47.
What is the symbol for Copper
4 lines
48.
An atom has 4 protons and 7 neutrons. What is its mass number?
a)
4
b)
3
c)
11
d)
7
49.
An atom has 8 protons and 7 neutrons. What is its atomic number?
a)
15
b)
1
c)
8
d)
7
50.
An atom with atomic number 6 would have how many protons?
a)
6
b)
3
c)
12
d)
cannot be determined
51.
What is the atomic number for an element with three protons?
a)
2
b)
3
c)
4
d)
1
52.
An atom of Phosphorus has a mass number of 31. How many protons does it have?
a)
16
b)
31
c)
15
d)
30
53.
What is the atomic mass of Neon?
a)
10
b)
20
c)
30
d)
40
54.
How many protons are in Beryllium?
a)
4
b)
5
c)
9
d)
2
55.
How many neutrons are in a Gold atom?
a)
79
b)
197
c)
118
d)
275
56.
What is the atomic mass of Gold?
a)
79
b)
197
c)
118
d)
275
57.
What is the atomic mass of Helium
a)
2
b)
4
c)
6
58.
How many neutrons are in Tungsten
a)
110
b)
74
c)
183
d)
258
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