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  2. Nitrogen compounds - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_compounds

    Nitrogen compounds. The chemical element nitrogen is one of the most abundant elements in the universe and can form many compounds. It can take several oxidation states; but the most common oxidation states are -3 and +3. Nitrogen can form nitride and nitrate ions. It also forms a part of nitric acid and nitrate salts.

  3. Heterocyclic compound - Wikipedia

    en.wikipedia.org/wiki/Heterocyclic_compound

    Heterocyclic compound. A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring (s). [ 1] Heterocyclic organic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and applications of organic heterocycles. [ 2]

  4. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial, and marine ecosystems. The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation ...

  5. Imine - Wikipedia

    en.wikipedia.org/wiki/Imine

    Imine. In organic chemistry, an imine ( / ɪˈmiːn / or / ˈɪmɪn /) is a functional group or organic compound containing a carbon – nitrogen double bond ( C=N ). The nitrogen atom can be attached to a hydrogen or an organic group (R). The carbon atom has two additional single bonds. [ 1][ 2] Imines are common in synthetic and naturally ...

  6. Amino radical - Wikipedia

    en.wikipedia.org/wiki/Amino_radical

    In chemistry, the amino radical, ·NH2, also known as the aminyl or azanyl, is the neutral form of the amide ion ( NH− 2 ). Aminyl radicals are highly reactive and consequently short-lived, like most radicals; however, they form an important part of nitrogen chemistry. In sufficiently high concentration, amino radicals dimerise to form hydrazine.

  7. Magnesium nitride - Wikipedia

    en.wikipedia.org/wiki/Magnesium_nitride

    Magnesium nitride reacts with water to produce magnesium hydroxide and ammonia gas, as do many metal nitrides . In fact, when magnesium is burned in air, some magnesium nitride is formed in addition to the principal product, magnesium oxide . Thermal decomposition of magnesium nitride gives magnesium and nitrogen gas (at 700-1500 °C).

  8. List of compounds with carbon number 5 - Wikipedia

    en.wikipedia.org/wiki/List_of_compounds_with...

    Chemical formula Synonyms CAS number; C 5 BrMnO 5: manganese pentacarbonyl bromide: 14516-54-2 C 5 BrO 5 Re: rhenium pentacarbonyl bromide: 14220-21-4 C 5 Cl 2 F 6 O 2: hexafluoroglutaryl chloride: 678-77-3 C 5 F 6 O 3: hexafluoroglutaric acid anhydride: 376-68-1 C 5 F 8 O 2: hexafluoroglutaryl fluoride: 678-78-4 C 5 F 10 ...

  9. Halogen - Wikipedia

    en.wikipedia.org/wiki/Halogen

    The halogens (/ ˈ h æ l ə dʒ ə n, ˈ h eɪ-,-l oʊ-,-ˌ dʒ ɛ n / [1] [2] [3]) are a group in the periodic table consisting of six chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and the radioactive elements astatine (At) and tennessine (Ts), though some authors [4] would exclude tennessine as its chemistry is unknown and is theoretically expected to ...