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WorksheetsAtoms Molecules Pure Substances and Mixtures
Total questions: 21
Worksheet time: 20mins
Name
Class
Date
1.
Glucose (C6H12O6) contains atoms of carbon, hydrogen, and oxygen that are chemically bonded together. What type of matter is glucose?
a)
Glucose is an element
b)
Glucose is a compound
c)
Glucose is a mixture
d)
Glucose is a metal
2.
The smallest particle of any element that still has the properties of that element is called
a)
an atom
b)
a compound
c)
a solution
d)
a mixture
3.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
4.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
5.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
6.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
7.
Which description below is a true statement about the diagram?
a)
The diagram can be classified as an element and a molecule
b)
The diagram can be classified as a compound
c)
The diagram can be classified as a mixture of two compounds
d)
The diagram can be classified as a mixture of two elements
8.
Which statement below is TRUE about compounds?
a)
The properties of compounds are totally different than the properties of the elements that form them
b)
All compounds are listed on the Periodic Table of Elements
c)
A compound is a pure substance that is made from one type of atom
d)
The properties of compounds are the same as the properties of the elements that form them
9.
A pure substance that is made from one type of atom is a(n) ______________ .
a)
Mixture
b)
Atom
c)
Element
d)
Compound
10.
Classify glucose (C6H12O6) as an element or compound.
a)
Element
b)
Compound
11.
Classify Sulfuric Acid (H2SO4) as an element or compound.
a)
Element
b)
Compound
12.
Classify Sulfur (S) as an element or compound.
a)
Element
b)
Compound
13.
Classify Phosphorus (P) as an element or compound.
a)
Element
b)
Compound
14.
Classify Sodium Chloride (NaCl) as an element or compound.
a)
Element
b)
Compound
15.
How many TOTAL atoms make up the molecule 8K2SO4?
a)
8
b)
56
c)
7
d)
15
16.
TRUE OR FALSE:
There are millions of elements.
There are millions of elements.
a)
True
b)
False
17.
TRUE OR FALSE:
There are millions of compounds.
There are millions of compounds.
a)
True
b)
False
18.
TRUE OR FALSE:
There are about 118 elements.
There are about 118 elements.
a)
True
b)
False
19.
TRUE OR FALSE:
There are about 118 compounds.
There are about 118 compounds.
a)
True
b)
False
20.
TRUE OR FALSE:
Water is an element.
Water is an element.
a)
True
b)
False
21.
TRUE OR FALSE:
Water is a compound.
Water is a compound.
a)
True
b)
False
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