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WorksheetsSubatomic Particles Practice
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
The atomic number of magnesium-25
a)
12
b)
13
c)
24
d)
25
2.
The number of neutrons in magnesium-25
a)
13
b)
12
c)
24
d)
25
3.
The mass number of magnesium-25
a)
25
b)
12
c)
13
d)
24
4.
The number of electrons in neutral magnesium-25
a)
12
b)
13
c)
24
d)
25
5.
The mass number
a)
56
b)
26
c)
30
d)
82
6.
The atomic number
a)
26
b)
30
c)
56
d)
82
7.
The number of neutrons in calcium-41
a)
21
b)
20
c)
40
d)
41
8.
The number of protons in calcium-41
a)
20
b)
21
c)
40
d)
41
9.
The mass number of calcium-41
a)
41
b)
40
c)
21
d)
20
10.
The mass number of sodium-23
a)
23
b)
11
c)
22
d)
12
11.
The number of protons in sodium-23
a)
11
b)
22
c)
12
d)
23
12.
The number of neutrons in sodium-23
a)
12
b)
11
c)
22
d)
23
13.
carbon-12 and carbon-14 are
a)
isotopes
b)
ions
c)
identical
d)
isomers
14.
The number of protons in an atom is called the
a)
atomic number
b)
mass number
c)
average atomic mass
d)
charge
15.
The sum of protons and neutrons in the nucleus of an atom is called the
a)
mass number
b)
atomic number
c)
average atomic mass
d)
charge
16.
positively charged subatomic particles
a)
protons
b)
electrons
c)
neutrons
d)
ions
17.
negatively charged subatomic particles
a)
electrons
b)
protons
c)
neutrons
d)
ions
18.
neutral subatomic particles
a)
neutrons
b)
electrons
c)
protons
d)
ions
19.
The small, positively charged center of the atom
a)
nucleus
b)
electron cloud
c)
neutron
d)
proton
20.
The area surrounding the nucleus where electrons are found
a)
electron cloud
b)
nucleus
c)
atom
d)
attraction station
21.
The weighted combination of masses of all isotopes that exist for an element
a)
average atomic mass
b)
mass number
c)
atomic number
d)
charge
22.
Name and mass of an atom with 5 protons, 5 electrons, and 6 neutrons
a)
Boron-11
b)
Carbon-11
c)
Boron-5
d)
Carbon-6
23.
Name and mass of an atom with 9 protons, 9 electrons, and 10 neutrons
a)
Fluorine-19
b)
Neon-19
c)
Fluorine-10
d)
Neon-10
24.
Name and mass of an atom with 47 protons, 47 electrons, and 62 neutrons
a)
Silver-109
b)
Samarium-109
c)
Samarium-62
d)
Silver-62
25.
Name and mass of an atom with 35 protons, 35 electrons, and 45 neutrons
a)
Bromine-80
b)
Rhodium-80
c)
Bromine-45
d)
Rhodium-45
26.
Name and mass of an atom that has 19 protons, 19 electrons, and 20 neutrons
a)
Potassium-39
b)
Calcium-39
c)
Potassium-20
d)
Calcium-20
27.
nitrogen: 7p⁺, 10e⁻... Neutral? Charge?
a)
Not Neutral, 3- charge
b)
YES neutral, 0 charge
c)
Not Neutral, 3+ charge
d)
YES neutral, 3- charge
28.
calcium: 20p⁺, 18e⁻... Neutral? Charge?
a)
Not neutral, 2+ charge
b)
Not neutral, 2- charge
c)
YES neutral, 0 charge
d)
YES neutral, 2+ charge
29.
neon: 10p⁺, 10e⁻... Neutral? Charge?
a)
YES neutral, 0 charge
b)
Not neutral, 0 charge
c)
Not neutral, 10+ charge
d)
YES neutral, 1- charge
30.
potassium: 19p⁺, 18e⁻... Neutral? Charge?
a)
Not neutral, 1+ charge
b)
Not neutral, 1- charge
c)
YES neutral, 0 charge
d)
Not neutral, 0 charge
31.
13p⁺, 10e⁻... What Element? Charge?
a)
Aluminum, Al³⁺
b)
Aluminum, Al³-
c)
Neon, Ne³⁺
d)
Neon, Ne³-
32.
8p⁺, 10e⁻... What Element? Charge?
a)
Oxygen, O²⁻
b)
Oxygen, O2⁺
c)
Neon, Ne2⁺
d)
Neon, Ne2-
33.
36p⁺, 36e⁻... What Element? Charge?
a)
Krypton, Kr (no charge)
b)
Krypton, Kr3-
c)
Polonium, Po (no charge)
d)
Polonium, Po3-
34.
When an atom gains electrons it becomes a(n)
a)
anion
b)
cation
c)
normal ion
d)
polyatomic ion
35.
When an atom loses electrons, it becomes a(n)
a)
cation
b)
anion
c)
polyatomic ion
d)
normal ion
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