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Classifying Matter
Test Description: Chapter 9: Classifying Matter
Instructions: Answer all questions to get your test result.
1) What atomic particle has a positive charge?
A
Electron
B
Neutron
C
Nucleus
D
Proton
2) Volume is defined as
A
whether or not an object floats.
B
the amount of matter in an object
C
the amount of space an object takes up
D
the gravitational pull on a object
3) Grass is green. This is a ______________________ property of grass.
A
chemical
B
physical
C
atomic
D
compound
4) Altering the size, shape, or state of a substance without forming a new substance is a(n)
A
mixture
B
physical change
C
chemical property
D
chemical change
5) The measurement of the pull of gravity on an object is known as
A
weight
B
mass
C
density
D
volume
6) H20 is known as
A
dihydrogen oxide
B
an atom
C
sodium chloride
D
water
7) Something that can be observed without changing the identity of a substance is called a(n)
A
chemical property
B
physical change
C
chemical change
D
physical property
8) The atomic particle that has no charge is a
A
electron
B
neutron
C
proton
D
nucleus
9) The temperature at which a liquid changes to a solid is the
A
freezing point
B
solid point
C
condensation point
D
melting point
10) Dry ice is made of frozen carbon dioxide. When dry ice melts, it returns to the gas, carbon dioxide. What is this process called when it melts?
A
melting
B
freezing
C
sublimation
D
condensation
11) A liquid begins to vaporize at its _____________________________________.
A
melting point
B
sublimation point
C
boiling point
D
freezing point
12) The center of an atom is known as the
A
proton
B
middle
C
neutron
D
nucleus
13) The smallest atomic particle is the _______________.
A
electron
B
neutron
C
nucleus
D
proton
14) The only atomic particle not in the nucleus is the
A
electron
B
neutron
C
proton
D
all are located in the nucleus
15) A ___________________ mixture is the same throughout.
A
regular
B
molecular
C
homogeneous
D
heterogeneous
16) This type of suspension scatters light that passes through due to particles suspended in the liquid or gas.
A
solute
B
colloid
C
mixture
D
solvent
17) C is the atomic symbol for
A
citric acid
B
carbon
C
chlorine
D
carbon dioxide
18) The _______________________ tells the number of protons and electrons in a stable atom.
A
atomic number
B
atomic symbol
C
atomic mass
D
atomic name
19) The part of a solution that does the dissolving is the
A
solvent
B
mixture
C
solute
D
particle
20) Matter that has a definite volume but does not have a definite shape is called a ________________.
A
solid
B
plasma
C
liquid
D
gas
*select an answer for all questions
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