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WorksheetsFoundations of Chemistry
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What is matter?
a)
anything that has mass and takes up space
b)
a substance that consists of one type of atom
c)
a small particle that is a building block
d)
the amount of mass per unit volume
2.
Which of the following is NOT made of matter?
a)
you
b)
your phone
c)
light
d)
backpack
3.
Which of the following has a positive charge?
a)
proton
b)
neutron
c)
electron
4.
A chemical formula is a combination of symbols and numbers that represent a compound.
a)
True
b)
False
5.
Two samples of the same mixture can contain different amounts of the same substances.
a)
True
b)
False
6.
Oxygen is an example of
a)
an element.
b)
a compound.
c)
a substance.
d)
a mixture.
7.
Which of the following is an example of a compound?
a)
sugar
b)
hydrogen
c)
boron
d)
apple juice
8.
Solutes dissolve in solvents.
a)
True
b)
False
9.
Which of the following is an example of a size-dependent physical property?
a)
volume
b)
state of matter
c)
conductivity
d)
boiling point
10.
The melting point refers to
a)
the point at which a liquid turns into a gas.
b)
the point at which a solid turns into a liquid.
c)
a substances ability to conduct thermal electricity.
d)
the amount of space something takes up.
11.
Which of the following is an example of a gas?
a)
aluminum
b)
water
c)
oxygen
d)
iron
12.
Physical properties can be used to separate a compound.
a)
True
b)
False
13.
Which of the following terms best describes a change in shape, size, form, or state of matter in which the identity of the substance stays the same?
a)
chemical change
b)
element
c)
physical change
d)
conductivity
14.
What happens to the particles in a substance when thermal energy is removed?
a)
the particles move faster
b)
the particles speed does not change
c)
the particles move slower
15.
_______________ is when a gas turns into a solid.
a)
melting point
b)
sublimation
c)
condensation
d)
deposition
16.
The ________________ is best described as particles are neither created nor destroyed during a physical or chemical change.
a)
Law of Conservation of Mass
b)
Chemical Reaction
c)
Chemical Equation
d)
Change in Thermal Energy
17.
A _______________ is a characteristic of matter that can only be observed when a substance becomes a different substance.
a)
chemical property
b)
chemical equation
c)
chemical change
d)
chemical reaction
18.
___________ is best described as the amount of a substance in a certain volume.
a)
solubility
b)
density
c)
concentration
d)
state of matter
19.
Which of the following is an example of a balanced equation?
a)
Na + 2Cl -> NaCl
b)
2Fe + S -> Fe2S
c)
CO2 + H2O -> CH4 + 2O2
d)
H2 + O2 -> H2O
20.
Which of the following is NOT an indication that a chemical change may have taken place?
a)
bubbles
b)
odor
c)
solubility
d)
color
21.
Which of the following is NOT a factor that can affect the speed of a chemical reaction?
a)
state of matter
b)
temperature
c)
concentration
d)
surface area
22.
What particles of an atom are found in the nucleus?
a)
proton and electron
b)
electron and neutron
c)
proton and neutron
d)
protons only
23.
Which of the following is a size-independent property?
a)
boiling point
b)
density
c)
magnetism
d)
all are size-independent properties
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