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Environmental chemistry
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Created by
Cass M
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Cards (16)
Air is
78
% nitrogen
Nitrogen
is the key
element
to plant
growth
A
pollutant
is a substance which can cause
harm
to
living things.
They can be
non persistent
or
persistent
A non persistent pollutant
can
be
broke
down
over
time
in
the
environment
, EX:
fertilizers
or
sewage
A persistent pollutant
accumulates,
and
breaks
down
very
slowly,
EX:
pesticides
or
petroleum
Eutrophication
:
excessive richness
of
nutrients
in a
lake
or other body of water,
which causes
a
dense growth
of
plant
life.
Pesticide:
chemicals used to kill pests
Pests:
organisms that cause harm to people
Herbicides: EX
weeds
Insecticides: EX
insects
Fungicides: EX
fungi
4R’s —
reduce
,
reuse
,
recycle
,
recover
Litmus paper
is a example of a
chemical indicator
The
pH
scale ranges from
0-14
These six elements make up the human body —
oxygen
,
carbon
,
hydrogen
,
nitrogen
, and
calcium.
Neutralization produces
water
and
salt
organic
compounds contain
carbon inorganic
compounds do not
A compound that contains only one element is called an
elemental compound