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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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abstraction, abstract entity go
a general concept formed by extracting common features from specific examples
a general concept formed by extracting common features from specific examples
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halogen
any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
noun.substance
5 Subcategories
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astatine, At, atomic number 85 go
a highly unstable radioactive element (the heaviest of the halogen series)
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bromine, Br, atomic number 35 go
a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens
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chlorine, Cl, atomic number 17 go
a common nonmetallic element belonging to the halogens
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F, fluorine, atomic number 9 go
a nonmetallic univalent element belonging to the halogens
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iodine, I, iodin, atomic number 53 go
a nonmetallic element belonging to the halogens