Halogen Definition

hălə-jən
halogens
noun
Any of the five very reactive, nonmetallic chemical elements making up group VIIA of the periodic table: fluorine is the lightest and most reactive of the group, and astatine is the heaviest and least reactive.
Webster's New World
adjective
Of or relating to the group of elements that are halogens.
American Heritage
Of or relating to a bright incandescent light bulb containing a halogen gas that prevents the filament from disintegrating at higher temperatures.
American Heritage

Other Word Forms of Halogen

Noun

Singular:
halogen
Plural:
halogens

Origin of Halogen

  • From Ancient Greek ἅλς (hals, “salt”) + -gen (“produce”), referring to elements which produce a salt in union with a metal.

    From Wiktionary

  • Swedish halo- halo- -gen -gen

    From American Heritage Dictionary of the English Language, 5th Edition

Halogen Sentence Examples

  • It is decomposed by the halogen elements and also by sulphuretted hydrogen.

  • This change only occurs when the halogen atom is in the orthoor paraposition to the - N2 - group.

  • Molybdenum combines with the halogen elements in varying proportions, forming with chlorine a di-, tri-, tetraand penta-chloride, and similar compounds with bromine and iodine.

  • Similarly, the formation of organic halogen products may be effected by electrolytic chlorine, as, for example, in the production of chloral by the gradual introduction of alcohol into an anode cell in which the electrolyte is a strong solution of potassium chloride.

  • It is to be noted that only traces of the aromatic amines are produced by heating the halogen substituted benzenes with ammonia, unless the amino group be situated in the side chain, as in the case of benzylamine.

More Sentences

Find Similar Words

Find similar words to halogen using the buttons below.

Words Starting With

HHAHAL

Words Ending With

NENGEN

Unscrambles

halogen

Words Starting With H and Ending With N

Starts With H & Ends With NStarts With HA & Ends With NStarts With H & Ends With EN

Word Length

7 Letter Words7 Letter Words Starting With H7 Letter Words Ending With N