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15 Cards in this Set
- Front
- Back
what are the four elements essential to life and just how much do they make up of the living matter?
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Nitrogen,Oxygen,Carbon,Hydrogen. They make up 96% of all living matter.
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What are the other major elements although in minute quantities that are essential to life?
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Phosphorus,Sulfur,Calcium,Pottassium make up the other 4% of all living matter. P,S,Ca,K.
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What is the symbol for oxygen
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O
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Atomic number for oxygen?
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8
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Percentage of Human body weight for oxygen?
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65%
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What is the symbol for Carbon?
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C
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Atomic number for carbon?
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6
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Percentage of human body weight for carbon?
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18.5%
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What is the symbol and atomic number for hydrogen?
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H and 1.
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percentage of human body weight for hydrogen/
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9.5%
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what is the symbol and atomic number for nitrogen?
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N and 7.
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percentage of human body weight for nitrogen?
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3.3
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what is the symbol and atomic number for Calcium.
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Ca and 20.
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percentage of human body weight for calcium?
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1.5%
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What is the symbol and atomic number for phosphorus?
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P and 15.
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