Hydrogen vs Pentatomic - What's the difference?

hydrogen | pentatomic |


As a noun hydrogen

is the lightest chemical element (symbol h) with an atomic number of 1 and atomic weight of 100794.

As an adjective pentatomic is

(chemistry) having five atoms in each molecule.

hydrogen

English

Noun

(en noun) (wikipedia hydrogen)
  • The lightest chemical element (symbol H) with an atomic number of 1 and atomic weight of 1.00794.
  • Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.
  • An atom of the element.
  • A sample of the element.
  • Synonyms

    *

    Derived terms

    (terms derived from hydrogen) * antihydrogen * antimoniated hydrogen * antimoniureted hydrogen, antimoniuretted hydrogen * arseniureted hydrogen, arseniuretted hydrogen * carbureted hydrogen, carburetted hydrogen * dihydrogen * heavy hydrogen * hydrogen acetate * hydrogen acid * hydrogen air * hydrogen arsenate * hydrogen arsenide * hydrogenate * hydrogen bomb * hydrogen bond * hydrogen-bonded * hydrogen-bonding * hydrogen bromide * hydrogen car * hydrogen carbonate * hydrogen chlorate * hydrogen chloride * hydrogen chlorite * hydrogen cyanide * hydrogen cycle * hydrogen dioxide * hydrogen disulfide, hydrogen disulphide * hydrogen economy * hydrogen electrode * hydrogeneted, hydrogenetted * hydrogen gas * hydrogen gas electrode * hydrogen harmonicon * hydrogenic * hydrogeniferous * hydrogen iodate * hydrogen iodide * hydrogen ion * hydrogenise, hydrogenize * hydrogenium * hydrogen lamp * hydrogen-like * hydrogen line * hydrogen monoxide * hydrogen nitrate * hydrogenolysis * hydrogenous * hydrogen oxide * hydrogen peroxide * hydrogen phosphate * hydrogen potassium carbonate * hydrogen protoxide * hydrogen selenide * hydrogen sodium arsenate * hydrogen spectral series * hydrogen spectrum * hydrogen station * hydrogen sulfate, hydrogen sulphate * hydrogen sulfide, hydrogen sulphide * hydrogen sulfite, hydrogen sulphite * hydrogen telluride * hydrogen warhead * hydroquinone * hydrosulfide, hydrosulphide * hydrosulphureted, hydrosulphuretted * hydroxy- * hydroxyl * lead hydrogen arsenate * liquid hydrogen * orthohydrogen * parahydrogen * oxyhydrogen * phosphorated hydrogen * phosphureted hydrogen, phosphuretted hydrogen * photohydrogen * potassium hydrogen carbonate * seleniureted hydrogen, seleniuretted hydrogen * sodium hydrogen carbonate * sodium hydrogen sulfite, sodium hydrogen sulphite * sulfide of hydrogen, sulphide of hydrogen * sulfureted hydrogen, sulphuretted hydrogen * tellureted hydrogen, telluretted hydrogen * telluride of hydrogen

    Synonyms

    * when used as a packaging agent

    Hyponyms

    * deuterium * protium * tritium ----

    pentatomic

    English

    Alternative forms

    * penta-atomic * pentaatomic

    Adjective

    (-)
  • (chemistry) Having five atoms in each molecule
  • (chemistry) Having five hydrogen atoms capable of substitution.