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Chemistry Grade 9
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Matter
Anything that had a
mass
and
occupies space.
Pure Substance
Matter
that contains
only one kind of particle
.
Element or Compound
Mixture
Matter
that contains
more than one kind of particle
.
Heterogeneous (mechanical mixture) or homogeneous (solution)
Element
A
pure substance
that
cannot be broken down
into simpler parts by chemical methods.
Compound
A
pure substance
made of
two or more different elements
that are chemically combined.
HHPS
H
azardous
H
ousehold
P
roducts
S
ystem
WHMIS
W
orkplace
H
azardous
M
aterials
I
nformation
S
ystem
Physical Property
A characteristic of a
substance that can be observed and measured
without changing the identity
of the substance.
Viscosity
The
measure
of a substance's
resistance to flow.
Melting Point
The
temperature
at which a
solid turns into a liquid.
Boiling Point
The
temperature
at which a
liquid turns to a gas.
Solubility
A
measure
of the
ability of a substance to dissolve in another substance.
Density
The
ratio
of the
mass
of a substance to the
volume
it occupies.
Chemical Property
The
ability
of a substance to
change (react) and form new substances.
Combustibility
The
ability
of a substance to
burn in air.
Stability
The
ability
of a substance to
remain unchanged.
Toxicity
The
ability
of a substance to cause
harmful effects in plants and animals.
(LD
50
)
Author
Mitra
ID
219061
Card Set
Chemistry Grade 9
Description
Properties of Elements and Compounds
Updated
5/11/2013, 5:26:13 PM
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