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WorksheetsPSci Atomic/Nuclear Structure
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons
2.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
3.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
4.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
5.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
6.
Which subatomic particle has a positive (+) charge?
a)
Neutron
b)
Proton
c)
Electron
7.
Which subatomic particle has a negative (-) charge?
a)
Proton
b)
Electron
c)
Neutron
8.
Which subatomic particle has a neutral or no charge?
a)
Proton
b)
Electron
c)
Neutron
9.
This particle determines what element you have - the elements identity.
a)
electron
b)
proton
c)
neutron
d)
valence shell
10.
Which of the following is the missing product for this reaction?
a)
Sc-42
b)
Ca-20
c)
Sc-42
d)
Ca-42
11.
Which of the following is the missing product for this reaction?
a)
He-4
b)
Be-4
c)
He-2
d)
Be-2
12.
What type of reaction is this?
a)
Alpha
b)
Beta
c)
Gamma
13.
What type of reaction is this?
a)
Alpha
b)
Beta
c)
Gamma
14.
In the symbol 167N what the 7 stand for?
a)
Mass number
b)
Atomic number
c)
Atomic mass
d)
Number of neutrons
15.
What element is represented in this Bohr Model?
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
16.
This could be the dot diagram of
a)
Mg
b)
Cl
c)
C
d)
O
17.
What are valence electrons?
a)
The total number of electrons in an atom
b)
The number of electrons in the outermost shell
c)
The number of electrons in the second shell
d)
The number of protons in the outermost shell
18.
This could be the dot diagram of
a)
P
b)
Ar
c)
Na
d)
B
19.
This could be the dot diagram of
a)
Ne
b)
Si
c)
Al
d)
Be
20.
An atom with an unequal number of protons and electrons is said to have (a) ___.
a)
no charge
b)
balance
c)
charge
d)
unbalance
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