symbol-N; atomic number-7; a colorless odorless gaseous element that constitutes about four-fifths of the volume of the atmosphere
Nitrogen is a chemical element with the symbol N and atomic number 7.
Nitrogen is a chemical element with the symbol N and atomic number 7.
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The denitrification caused nitrogen gas to return to the atmosphere.
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Key elements of an amino acid are carbon and hydrogen and oxygen and nitrogen.
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The fertilizer company uses nitrogen fixation to produce its product.
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We studied the nitrogen cycle in class.
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element; gas; no color or smell
liquid
3 syllables
ni-tro-gen
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