64 lines
1.1 KiB
Plaintext
64 lines
1.1 KiB
Plaintext
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1 Brown triangle
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Dot
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3 Green triangle
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4 Dot
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5 Dot
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6 Blue triangle
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7 Dot
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8 Dot
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9 Orange triangle
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to Dot
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11 D01
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12 Diamond
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13 Name
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Number
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Q
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PERIODIC TABLE KEY
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THE MAJOR ELEMENTS of which soil is composed.
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Elements occuring in minute quantities in plants and marine and
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freshwater algae.
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MAJOR NUTRIENTS in plant tissues and soils.
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TRACE ELEMENTS necessary to metabolic iunctions in plants.
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CATALYTIC ELEMENTS involved in metabolic function and hydro-
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carbon processing.
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MAJOR ELEMENTS necessary to metabolic function in animals.
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TRACE ELEMENTS necessary to metabolic function in animals.
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Elements critical or limiting to phytoplankton, aquatic organisms.
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POlSONS; radioactive isotopes taken up by plants and animals e.g.,
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Ftn222, I131, Cs187, Th232, U235, Pu239.
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POISONS; metabolic poisons. elements ortheir compounds dangerous
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to life forms.
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Elements specifically concentrated by bacterial action, root
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associates of plants. anaerobic bacteria. or thiobacilli.
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STATES- Light blue: gas at room temperatures. Dark blue: liquid at
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room temperatures.
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Element‘s name.
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Elements number.
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@§G@
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