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WorksheetsCounting Atoms Review
Total questions: 37
Worksheet time: 1hrs 2mins
Which of the following is compound ?
H
Si
H20
Cr2
A
B
C
D
A
B
C
D
A
B
C
D
F
G
H
J
A
B
C
D
3
5
10
8
F
G
H
J
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
a
b
c
d
True or False: Reactants are substances that start a chemical reaction.
T
F
True or False: Products are substances that are produced in the reaction.
T
F
The following formula represents:
carbon dioxde
photosynthesis
water vapor
glucose
Which side of the equation represents the reactants ?
Left
Right
Which side of the equation represents the products ?
Left
Right
True or False: an element consists of only one kind of atom that cannot be broken down into a simpler type of matter by either physical or chemical means.
T
F
A compound consists of atoms of two or more different elements bound together that can be broken down into a simpler type of matter (elements) by chemical means (but not by physical means),
T
F
True or False: A mixture consists of two or more different elements and/or compounds physically intermingled,. They can be separated into its components by physical means, and often retains many of the properties of its components.
T
F
Does the following image is a representation of a
compound
element
mixture
Does the following image represent a
compound
element
mixture
Does the image represent a compound, mixture or element ?
compound
element
mixture
Is the following image organic or inorganic ?
organic
inorganic
What formula represents the image
How many molecules of Na are there ?
3
2
1
0
How many elements are in the formula ?
2
1
4
3
Are the atoms correctly counted ?
Yes
No
