氬- 維基百科，自由的百科全書

A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere is desired ...

Argon (Ar). An inert gas with unique properties used in a variety of industrial and analytical applications. Argon is a non-flammable gas that ...

氬（argon）·Ar·18. 元素類別, 惰性氣體 · 族·週期·區 · 18 ·3·p · 標準原子質量, [39.792, 39.963]. 電子組態, [Ne] 3s2 3p6 2, 8, 8. 氬的電子層（2, 8, 8 ...

氬（拼音：yà，注音：ㄧㄚˇ，粵音：亞，粵語反切：亞價切；英語：Argon），是化學元素，化學符號Ar，原子序數18，原子量7001399480000000000♤39.948 u，位在週期表的 ...

Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most ...

2023年12月15日 — argon (Ar), chemical element, inert gas of Group 18 (noble gases) of the periodic table, terrestrially the most abundant and industrially ...

Atomic number, 18, Relative atomic mass, 39.95 ; State at 20°C, Gas, Key isotopes · Ar ; Electron configuration, [Ne] 3s23p · CAS number, 7440-37-1.

Argon (Ar) - Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas.

Argon is a chemical element with symbol Ar and atomic number 18. Classified as a noble gas, Argon is a gas at room temperature.