Avogadro constant

$Ball-and-stick model of the unit cell of silicon. X-ray diffraction measures the cell parameter, a, which is used to calculate a value for Avogadro's constant.$

Achim Leistner at the Australian Centre for Precision Optics (ACPO) holding a one-kilogram single-crystal silicon sphere prepared for the International Avogadro Coordination.

In chemistry and physics, the Avogadro constant is the number of constituent particles, usually atoms or molecules, that are contained in the amount of substance given by one mole. Thus, it is the proportionality factor that relates the molar mass of a compound to the mass of a sample. Avogadro's constant, often designated with the symbol N_A or L, has the value 7023602214085700000♠6.022140857(74)×10 mol in the International System of Units (SI).

单词	avogadro number
释义	avogadro number 英汉-汉英词典阿佛加德罗数 Avogadro number 阿伏伽德罗常量词组 \| 习惯用语您要查找的是不是： Avogadro number 阿佛加德罗数; 阿伏伽德罗数; avogadro snumber 阿佛加德罗常数 avogadro number 阿佛加德罗数 Avogadros number 阿伏伽德罗数 avogadro's number 阿伏加德罗氏数英语百科 Avogadro constant $Ball-and-stick model of the unit cell of silicon. X-ray diffraction measures the cell parameter, a, which is used to calculate a value for Avogadro's constant.$ In chemistry and physics, the Avogadro constant is the number of constituent particles, usually atoms or molecules, that are contained in the amount of substance given by one mole. Thus, it is the proportionality factor that relates the molar mass of a compound to the mass of a sample. Avogadro's constant, often designated with the symbol N_A or L, has the value 7023602214085700000♠6.022140857(74)×10 mol in the International System of Units (SI). 近义、反义、联想词近义词 n. constant 英英词典 avogadro number n. the number of molecules in a mole of a substance (approximately 602,250,000,000,000,000,000,000) synonymous： Avogadro's number
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avogadro number

Avogadro number

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Avogadro constant

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