阿伏加德羅常數

喺物理同化學裡面，阿伏加德羅常數（符號：NA）係一個常數，等於(6.02214129±0.00000027)×1023 mol-1[1][2][3]。佢個名來自意大利化學家阿美迪奧·阿伏伽德羅。阿伏加德羅常數嘅具體定義係：當以 mol-1為單位時，佢嘅數值等於 12 克碳-12裡面所含嘅碳原子個數。阿伏加德羅常數通常用於代表一摩爾物質所含嘅基本單元（如分子或原子）嘅數量，係聯繫一種粒子嘅摩爾質量同絕對質量嘅比例常數[1][4][5]。

睇埋改

參考改

  1. ↑ 1.0 1.1 Mohr, Peter J. (2008). "CODATA Recommended Values of the Fundamental Physical Constants: 2006" (PDF). Rev. Mod. Phys. 80: 633–730. Bibcode:2008RvMP...80..633M. doi:10.1103/RevModPhys.80.633. Unknown parameter |coauthors= ignored (|author= suggested) (help)
  2. ↑ International Union of Pure and Applied Chemistry Commission on Atomic Weights and Isotopic Abundances, P.; Peiser, H. S. (1992), "Atomic Weight: The Name, Its History, Definition and Units" (PDF), Pure and Applied Chemistry, 64 (10): 1535–43, doi:10.1351/pac199264101535, 喺2006-12-28搵到. Text "Pure Appl. Chem. " ignored (help)
  3. ↑ International Union of Pure and Applied Chemistry Commission on Quantities and Units in Clinical Chemistry, H. P. (1996), "Glossary of Terms in Quantities and Units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)" (PDF), Pure and Applied Chemistry, 68 (4): 957–1000, doi:10.1351/pac199668040957, 喺2006-12-28搵到. Text "Pure Appl. Chem. " ignored (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)
  4. ↑ Avogadro constant
  5. ↑ 國際度量衡局 (2006), The International System of Units (SI) (PDF) (第8th版), pp. 114–15, ISBN 92-822-2213-6
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