Авогадро саны (NA)

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The number of atoms in 12 grams of carbon 12. The number of atoms in a gram-atom (mass in grams numerically equal to the atomic weight) or the number of molecules in a gram-molecule (mass in grams numerically equal to the molecular weight.)

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Industry/Domain: Astronomy
Category: General astronomy
Company: Caltech
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Number representing the number of molecules in one (1) mole: 6.022 * 1023.

Авогадро саны

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The number of particles in one mole, equal to 6.02214199 × 1023 mol-1 (± 0.00000047 mol-1) (1998 CODATA values)

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Star with spectral type A in which the spectrum of the Balmer lines of hydrogen attain their greatest strength. Helium lines can no longer be seen. Some metallic lines are ...

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Trojan asteroid (60° ahead of Jupiter. It was the first Trojan to be discovered.

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The number of protons in an atom's nucleus. This determines the type of element.

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the light produced by excited atoms and ions in the upper atmosphere of a planet

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