超ちょう原げん子し価かちょうげんしかじ字FuriganaMeanings1nounhypervalent compoundchemistry›Chemistry term for a compound in which a central atom has more than eight electrons in its valence shell.超ちょう原げん子し価か化か合ごう物ぶつは、中ちゅう心しん原
