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