硒
硒者，洋謂Selenium，化學元素也，符號Se，原子序三十四，屬非金屬。色灰，不溶於水，性穩抗蝕。
同位素
同位素者卅九，自硒六五至硒九四。性穩者有五，曰硒七四，曰硒七六，曰硒七七，曰硒七八，曰硒八十。以硒八十為盛，二者有一。
用
- 人之所需元素也，乃微量礦物營養素。
- 若夫光存，則硒之導電能優於暗，以為光電池。
硒一文似未成。宜善之。| 聲音動静，具錄於維基共享︰硒 |
譯名見異，臺譯在先，陸譯在後，香港兼從
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