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WorksheetsBohr Model and Review
Total questions: 21
Worksheet time: 14mins
Name
Class
Date
1.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
2.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
3.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
4.
Protons have a ___ charge
a)
neutral
b)
negative
c)
positive
d)
square
5.
Electrons have a ___ charge
a)
positive
b)
neutral
c)
negative
d)
strange
6.
Neutrons are ____
a)
neutral
b)
positive
c)
negative
d)
oval
7.
The Atomic mass number is the sum of these two particles.
a)
protons and electrons
b)
neutrons and electrons
c)
electrons and nucleus
d)
protons and neutrons
8.
The nucleus of an atom contains
a)
protons and electrons
b)
electrons and neutrons
c)
protons only
d)
neutrons and protons
9.
The atomic number is the number of ____ in an atom.
a)
neutrons
b)
protons
c)
protons and neutrons
d)
electrons
10.
The atoms' identity is its' number of ....
a)
protons
b)
protons and neutrons
c)
neutrons
d)
electrons
11.
Atoms of the same element with different numbers of neutrons are called ...
a)
isomers
b)
isotopes
c)
radioactive
d)
mutations
12.
Carbon -14 has six protons and ___ neutrons.
a)
6
b)
7
c)
8
d)
9
13.
An element with an atomic number of 9 and an Atomic mass number of 20 has ___ neutrons.
a)
9
b)
10
c)
11
d)
12
14.
Carbon
a)
CA
b)
C
c)
Ca
d)
Cn
15.
Sulfur
a)
Sf
b)
Su
c)
Sr
d)
S
16.
Neon
a)
N
b)
No
c)
Ne
d)
Nn
17.
Helium
a)
He
b)
Hl
c)
HE
d)
Hm
18.
Hydrogen
a)
Hy
b)
H
c)
Hr
d)
Hn
19.
Potassium
a)
P
b)
K
c)
Pt
d)
k
20.
Mg
a)
Manganese
b)
Mangium
c)
Magnesium
d)
Manzanium
21.
Aluminum
a)
A
b)
Al
c)
Am
d)
Au
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