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From Wikipedia, the free encyclopedia
銫(粵拼:sik1;英文:caesium,英文讀音:/ˈsiːziəm/),拉丁學名caesium,係一種化學元素。佢個化學符號係Cs,原子序數係55,原子重量係132.9054519(2),係一種帶銀金色嘅鹼金屬,佢嘅熔點係攝氏28度。
銫會同水有劇烈反應並且爆炸,產生氫氧化銫同埋氫氣。
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