貧金屬,又云它金,週期表p區金屬也。較諸過渡者,其電負更甚,熔沸乎低溫,益軟。較同週主族,熔沸點為高矣。又區分以類金屬也。
貧金屬者,非公會官出,唯多囊以鋁、鎵、銦、錫、鉈、鉛 、鉍者。間有類金者歸此,曰鍺、銻 、釙也。而鉨、鈇、鏌、鉝者,化性或近貧金,然未有多量以究之。
13 | 14 | 15 | 16 | 17 |
---|---|---|---|---|
B 硼 | C 碳 | N 氮 | O 氧 | F 氟 |
Al 鋁 | Si 矽 | P 磷 | S 硫 | Cl 氯 |
Ga 鎵 | Ge 鍺 | As 砷 | Se 硒 | Br 溴 |
In 銦 | Sn 錫 | Sb 銻 | Te 碲 | I 碘 |
Tl 鉈 | Pb 鉛 | Bi 鉍 | Po 釙 | At 砹 |
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