Avogadro's constant

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Related to Avogadro's constant: Molar mass, Faraday's constant

Avogadro's constant

Avogadro constant

Avogadro's number

(Chemistry) the number of atoms or molecules in a mole of a substance, equal to 6.022 52 × 10²³. Symbol: L or NA

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The one proposal calls for making Avogadro's constant, NA, an exact number.

BIOETHICS AND HISTORY AND PHILOSOPHY OF SCIENCE PAPER ABSTRACTS

I still remember when our science teacher asked if anyone knew what Avogadro's constant was and I was the only one with my arm raised.

What brought us here: Our first gadget crushes

Peter Becker of the Federal Institute of Physical and Technical Affairs (PTB) in Braunschweig, Germany, and his team measured the number of atoms in a sphere of silicon-28 to calculate Avogadro's constant to nine significant figures, reports Nature.