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WorksheetsWHIPLASH SEMESTER 2 REVIEW!
Total questions: 12
Worksheet time: 10mins
Name
Class
Date
1.
What is the correct formula of phosphorus trichloride?
a)
P2Cl3
b)
P3Cl3
c)
PCl3
d)
PCl5
2.
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
_Al +_HCl --> _H2 +_AlCl3
a)
2, 6, 3, 2
b)
it is already balanced
c)
4, 12, 3, 4
d)
2, 1, 4, 5
3.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
4.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
5.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
6.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
7.
This picture represents:
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
8.
Which of the following would you use to separate sand from iron?
a)
a bar magnet
b)
paper
c)
hot plate
9.
Which one of these pictures represents a pure substance?
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
10.
Which chemical formula could be represented by this sample?
a)
NaCl
b)
H2
c)
C6H12O6
d)
Cu
11.
If 24.3 g of Mg completely reacts with 16.0 g of O, what is the percent by mass of Mg in the compound that forms?
a)
20%
b)
40%
c)
50%
d)
60%
12.
The name chemist's gives to the compound CaCl2 is calcium chloride. But the name chemists give to the compound FeCl2 is iron(II)chloride. What is the reasoning for this difference in naming?
a)
Calcium is a transition metal that only forms a charge of +2
b)
Iron is a transition metal than can form more than one charge
c)
However many chlorines bond within a compound decide how a compound is named
d)
Elements with an odd number of chlorines bonded will be named differently.
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