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WorksheetsAtoms Unit Review
Total questions: 13
Worksheet time: 13mins
Name
Class
Date
1.
How many protons does Calcium (Ca) have?
a)
11
b)
15
c)
20
d)
40
2.
How many electrons does Boron (B) have?
a)
5
b)
6
c)
10
d)
11
3.
What is Fluorine's (F) atomic mass?
a)
9
b)
19
c)
10
d)
11
4.
Which subatomic particle is smaller than the others?
a)
Proton
b)
Neutron
c)
Electron
d)
All are the same size
5.
Which of the following is correct?
a)
Neutrons are in the cloud
b)
Electrons are in the nucleus
c)
Protons are in the nucleus
6.
Which is correct?
a)
Protons have no charge
b)
Neutrons are positive
c)
Electrons are negative
7.
Which letter shows where most of the mass of the atom is?
a)
J
b)
K
c)
L
d)
H
8.
Which letter shows an electron?
a)
J
b)
K
c)
H
d)
L
9.
Which letter shows a proton?
a)
J
b)
K
c)
L
d)
H
10.
How many total atoms does CaCO3 Have?
a)
3
b)
4
c)
5
d)
6
11.
Refer to the periodic table. What element is in period 5 and has 7 valence electrons?
a)
Technetium (Tc)
b)
Iodine (I)
c)
Tin (Sn)
d)
Chlorine (Cl)
12.
Elements are arranged in order on the periodic table by:
a)
Atomic Number
b)
Metallic properties
c)
States of matter
d)
Reactivity
13.
Which region does NOT include metals?
a)
1
b)
2
c)
3
d)
4
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