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单词 halogen
释义
Halogen
nnoun.substanceany of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions
Hypernyms:group grouping
Inherited Hypernyms:halogengroupabstractionentity
Direct Hyponyms:AtBrClFIastatineatomic number 17atomic number 35atomic number 53atomic number 85atomic number 9brominechlorinefluorineiodiniodine
Full Hyponyms:
astatinebrominechlorinefluorineiodineiodine-125iodine-131radiochlorine
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更新时间:2025/2/23 15:12:43