氬
氬者，化學元素也，符號Ar，原子序十八，意「惰」，屬稀有氣體，無色，通電呈紫。大氣含量居三，僅次氮氧。
用
性惰、量大、價廉，可充電燈泡，以護鎢絲。又，可護焊接、滅火。
同位素
性穩之同位素者氬四十（豐度佔九成九六）、氬三六（佔萬分之三十四）、氬三八（約佔萬分之六）矣。餘皆不穩，常衰變矣。
| 聲音動静，具錄於維基共享︰氬 |
譯名見異，臺譯在先，陸譯在後，香港兼從
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