noun ダウンロード 🔗共有 半金属 An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially one that exhibits the external characteristics of a metal, but behaves chemically more as a nonmetal. Examples : "Silicon, germanium, and arsenic are examples of metalloids, elements used in electronics because they can sometimes conduct electricity like metals and sometimes block it like nonmetals. " シリコン、ゲルマニウム、ヒ素は半金属の例であり、金属のように電気を通したり、非金属のように遮断したりするため、電子機器に使用される元素です。 element material substance chemistry science AIとチャット語彙ゲーム読解練習
noun ダウンロード 🔗共有 メタロイド The metallic base of a fixed alkali, or alkaline earth; applied to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined. Examples : "The metalloids in the chemical experiment were difficult to identify precisely because their metallic properties were somewhat unclear. " 化学実験におけるメタロイドは、その金属的性質がやや不明確であったため、正確に特定することが困難でした。 element chemistry substance material AIとチャット語彙ゲーム読解練習