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WorksheetsAtomic Structure Quiz
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
The postively charged particles in an atom are:
a)
protons
b)
electrons
c)
neutrons
2.
The negatively charged particles in an atom are:
a)
protons
b)
neutrons
c)
electrons
3.
The particles of an atom which have no charge are:
a)
protons
b)
neutrons
c)
electrons
4.
The 2 main parts of an atom are:
a)
nucleus & electron cloud
b)
nucleus & protons
c)
protons & electrons
d)
neutrons & electron cloud
5.
What does an atom mostly consist of?
a)
protons
b)
a nucleus
c)
an electron cloud
d)
empty space
6.
What is the atomic number of the element shown?
a)
19
b)
39
c)
20
7.
What is the atomic mass of the element shown?
a)
37
b)
85
c)
86
d)
48
8.
How many neutrons are contained in a neutral atom of:
a)
7
b)
14
c)
8
d)
9
9.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
10.
Atoms of an element have equal numbers of:
a)
protons & electrons
b)
protons & neutrons
c)
neutrons & electrons
11.
How many protons are in EVERY atom of the following;
a)
21
b)
45
c)
44
d)
24
12.
The atomic mass of an atom equals _ + _
a)
protons + neutrons
b)
protons + electrons
c)
neutrons + electrons
d)
nucleus + electron cloud
13.
Valence electrons are:
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
14.
An element is:
a)
a substance that cannot be broken down into any other substance
b)
found on the periodic table
c)
made up of atoms
d)
All answers are correct
15.
All matter is made up of _
a)
atoms
b)
molecules
c)
particles
d)
quarks
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