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WorksheetsECM REVIEW QUIZ
Total questions: 25
Worksheet time: 16mins
Name
Class
Date
1.
These contain only one kind of atom.
a)
element
b)
compound
c)
mixture
2.
Elements can be broken down into simpler substances.
a)
False
b)
True
3.
A molecule can be made of the same kind of atoms.
a)
True
b)
False
4.
Which of the following is NOT a compound?
a)
CO2
b)
Ar
c)
H2O
d)
Na2CO3
5.
Is sugar (C12H22O11) an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
6.
a)
Mixture of elements
b)
Mixture of elements and compounds
c)
mixture of compounds
d)
Mixture of molecules
7.
a)
Mixture of elements
b)
Mixture of molecules
c)
Mixture of compounds
d)
element
8.
a)
Element
b)
Molecule
c)
Compound
d)
Mixture
9.
a)
Element
b)
Mixture
c)
Compound
10.
Is Bismuth (Bi) an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
11.
Is pure water (H2O) an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
12.
Is Copper (Cu) an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
13.
Is lemonade an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
14.
What is a salad?
a)
element
b)
compound
c)
heterogeneous mixture
d)
homogeneous mixture
15.
Which element is located at Group 5, Period 4?
a)
Vanadium
b)
Zirconium
16.
The substances that make up a mixture ______________ their identities and physical properties when they are combined.
a)
keep
b)
lose
17.
What does it mean if a mixture is heterogeneous?
a)
you can see the different parts
b)
it all looks the same
18.
How many atoms are in the compound Na2CO3
a)
1
b)
2
c)
3
d)
6
19.
A mixture is a substance that is made of 2 or more elements or compounds that are ________________ combined.
a)
chemically
b)
physically
c)
emotionally
20.
The elements that make up a compound ______________ their identities and physical properties when they are combined.
a)
keep
b)
lose
21.
You can take a compound apart physically (meaning you can separate them WITHOUT a chemical reaction).
a)
True
b)
False
22.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
it all looks the same
23.
How many elements are represented in the compound Na2CO3
a)
1
b)
2
c)
3
d)
4
24.
Is air an element or a compound or a mixture?
a)
Element
b)
Compound
c)
Mixture
25.
A compound is a substance that is made of 2 or more elements that are ________________ combined.
a)
chemically
b)
physically
c)
emotionally
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