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Chapter 13/14
Test Description: Review
Instructions: Answer all questions to get your test result.
1) 1. Which kind of elements touch the zigzag line on the periodic table?
A
metalloids
B
Metals
C
liquids
D
gasses
2) 2. If you fold a piece of paper to make a card, will this affect the mass of the piece of paper?
A
no the mass will not change even if the shape of the paper changes
B
the mass will be greater if you fold the paper
C
the mass will double if you fold the paper
D
the mass will be less if you fold the paper
3) 3. The density of water is 1g/cm3. The density of a solid piece of foam is 0.45 g/cm3. Will the foam sink or float if placed in the water?
A
the foam will stay in the middle of the container because the density is equal to the water
B
the foam will sink because it is more dense than the water
C
the foam will float because it is less dense than the water
D
the foam will go up and down because the density is equal to the water
4) If you have a mixture of sand and metal fillings, how could you separate the sand from the metal?
A
you could add water to the mixture then boil it to separate the sand from the metal
B
you could use a magnet to attract the metal and separate it from the sand
C
you could pick each piece of sand out until it is seperated
D
you could put the mixture in water then drain the mixture to separate the sand from metal
5) The chemical formula for carbon is CO2, this tells you that carbon is a__________.
A
compound
B
liquid
C
mixture
D
solution
6) You have an element that is brittle, a poor conductor of heat, and cannot be hammered into sheets. What type of element do you have?
A
metal
B
liquid
C
metalloid
D
nonmetal
7) Which side of the periodic table are metals found?
A
right
B
bottom
C
left
D
center
8) If a scientist knows he has a pure substance that has 4 protons in every atom, then the scientists knows he has a specific__________.
A
metal
B
gas
C
element
D
liquid
9) What does an electron cloud have in it?
A
nothing
B
electrons and empty space
C
electrons
D
protons
10) Which particle in an atoms nucleus has no charge?
A
electron
B
proton
C
neutron
D
electron cloud
11) What measurement would change if you traveled from Earth to the Moon?
A
Weight
B
Volume
C
Mass
D
Density
12) How is a chemical change different from a physical change?
A
In a physical change the substance changes into a new substance, in a chemical change the substance stays the same substance
B
in a chemical change the substance changes shape and in a physical change the substance changes size
C
in a chemical change the substance changes into a new substance, in a physical change the substance is still the same substan
D
there is no difference
13) Describe what water vapor is.
A
a gas above boiling water
B
water condensed into a cloud
C
water in a puddle
D
water droplets on a leaf
*select an answer for all questions
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