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WorksheetsSUBATOMIC PARTICLES
Total questions: 21
Worksheet time: 5hrs 15mins
The nucleus of an atom contains which subatomic particles?
protons and electrons
protons and neutrons
electrons and neutrons
protons, electrons, and neutrons
Typically in an atom, which two subatomic particles are equal in number?
protons and neutrons
all subatomic particles are equal in number
neutrons and electrons
protons and electrons
Which subatomic particle is counted to determine the type of element the atom represents?
proton
neutron
electron
boron
How many neutrons are in Magnesium?
36
12
24
6
How many electrons are in Aluminium?
40
27
13
14
How many protons are in Silicon?
7
42
28
14
How many neutrons are in Phosphorus?
16
15
31
46
How many electrons are in Sulfur?
32
16
48
8
How many neutrons are in Argon?
18
40
58
22
How many protons, neutrons, and electrons are in Oxygen?
Protons = 8; Neutrons = 16; Electrons = 8
Protons = 8; Neutrons = 8; Electrons = 8
Protons = 16; Neutrons = 8; Electrons = 16
Protons = 16; Neutrons = 24; Electrons = 16
What is the mass number of "F"
9
18
17
19
2 protons
3 neutrons
4 electrons
11 protons
10 neutrons
11 electrons
Knowledge Check:
Why does Sodium become a +1 charge?
Sodium gives away 1 e-, so it now has 1 less negative (-) charge.
Sodium accepts 1 e-, so it now has 1 more negative (-) charge.
ELECTRONS have what type of charge?
Positive +
Negative -
Neutral +/-
What is the overall charge of an ion with 9 protons, 10 neutrons and 10 electrons?
0
9+
1+
1-
9N3- ion has
5 protons
4 neutrons
& 8 electrons
5 protons
4 neutrons
& 2 electrons
9 protons
5 neutrons
& 12 electrons
5 protons
9 neutrons
& 8 electrons
