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WorksheetsScience Electrons , Protons , Neutrons
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Atomic Number is the number of ___________
a)
Neutrons
b)
Protons
c)
Atoms
d)
Electrons
2.
What is the Mass Number of Argon?
a)
24
b)
30
c)
18
d)
40
3.
What is the Atomic Symbol of Sodium and Carbon?
a)
Mg and Na
b)
H and Li
c)
Na and C
d)
F and C
4.
Atomic Number is the AVERAGE number of ________ + ________of
all the isotopes of an atom.
a)
Neutrons and
Electrons
b)
Electrons and
Protons
c)
Protons and
Neutrons
d)
Electrons and
Neutrons
5.
True or False
Protons and Neutrons have the same charge.
a)
True
b)
False
6.
True or False
Protons and Electrons have Opposite Charge
a)
True
b)
False
7.
True or False
Protons and Neutrons have the same mass
a)
True
b)
False
8.
What Charge does the Nucleus have?
(a)
9.
Which Subatomic Particle has a negative charge?
(a)
10.
Which Subatomic Particles have the same mass?
_______and _______
(a)
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