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Nitrogen vs Helium - What's the difference?

nitrogen | helium |

In uncountable terms the difference between nitrogen and helium

is that nitrogen is molecular nitrogen (N2), a colorless, odorless gas at room temperature while helium is a colorless and inert gas, and the second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602.

In countable terms the difference between nitrogen and helium

is that nitrogen is a specific nitrogen within a chemical formula, or a specific isotope of nitrogen while helium is a form or sample of the element.

nitrogen

English

Noun

(wikipedia nitrogen)
  • (uncountable) A chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067.
  • (uncountable) Molecular nitrogen (N2), a colorless, odorless gas at room temperature.
  • (countable) A specific nitrogen within a chemical formula, or a specific isotope of nitrogen
    • The two nitrogens are located next to one another on the ring.

    Synonyms

    * azote (obsolete) * when used as a packaging gas or propellant

    Related terms

    (terms related to nitrogen) * nitrate * niter, nitre * nitric * nitride * nitrification * nitrify * nitrite * nitr-, nitro- * nitrous

    Derived terms

    * dinitrogen * nitragin * * * * nitrogenase * nitrogenate * nitrogen cycle * nitrogen dioxide * nitrogen fixation * nitrogen fixer * nitrogen fixing * nitrogenic * nitrogeniferous * nitrogenise, nitrogenize * nitrogen monoxide * nitrogen mustard * nitrogen narcosis * nitrogenous * nitrogen oxide * nitrogen tetroxide * nitrogen trichloride * nitrogen trifluoride * nitrogen triiodide * nitrophilous * nitrox

    See also

    * aqua fortis * aqua regia * laughing gas * saltpeter, saltpetre

    Anagrams

    * ----

    helium

    English

    (wikipedia helium)

    Noun

  • (uncountable) A colorless and inert gas, and the second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602.
  • (countable) A form or sample of the element.

    • Derived terms

    (terms derived from helium) * heliair * heliox * * * helium burning * helium dating * helium flash * helium fusion * helium speech * helium star * helium variable * liquid helium * orthohelium * parahelium

    Related terms

    * helio- * Helios

    Synonyms

    * when used as a packaging gas ----