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WorksheetsInt 1 #3 midterm review
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
A block of aluminum has a mass of 15 g and a volume of 3ml. What is it's density?
a)
15g/ml
b)
3g/ml
c)
5g/ml
2.
What is the density of an object with a mass of 60g and a volume of 2ml?
a)
30 ml
b)
20g/ml
c)
30g/ml
3.
What is the mass of an object that has a density of 2g/ml and volume of 4ml?
a)
2g
b)
8g/ml
c)
8g
4.
What type of properties did we use to separate our mixture during the mixture lab?
a)
chemical
b)
physical
5.
What type of mixture did we separate during the mixture lab?
a)
Homogenuous
b)
Heterogeneous
6.
What property did we use to separate the iron from the mixture during the mixture lab?
a)
buoyancy
b)
magnetism
7.
What property did we use to separate the salt from the mixture during the mixture lab?
a)
Buoyancy
b)
Solubility
8.
How many total atoms are in CH4 ( Methane)
a)
3
b)
4
c)
5
9.
How many total atoms are there in H20?
a)
3
b)
4
c)
5
10.
When are compounds formed?
a)
When weight comes together
b)
When 2 or more elements combine to form a different type of matter
11.
What does a chemical formula tell you?
a)
An estimation of the elements
b)
The states of matter
c)
The number and types of atoms that make up a single unit of a compound
12.
In a chemical reaction, what is written to the left of the arrow?
a)
reactants
b)
Products
13.
In a chemical reactions, what is written to the right of the arrow?
a)
Reactants
b)
Products
14.
What is the definition of an atomic number
a)
Number of protons
b)
Number of neutrons
c)
Number of protons plus neutrons
15.
What type of chemical reaction was the one between Aluminum and Copper Chloride?
a)
Endothermic
b)
Exothermic
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