NA

symbol

Terminological databases

ID 572279 Last modified 25.09.2026

Domain metrologyunits of measurement

Avogadro arv preferred

Avogadro konstant

Avogadro constant preferred

Avogadro's number

Avogadro arvu NA, mis määrab aineosakeste (aatomite, molekulide või ioonide) arvu ühemoolises ainehulgas, leppeliselt kinnistatud väärtus on 6,022 140 76 ×1023 mol-1

conventional fixed value of the Avogadro constant NA is 6,022 140 76 ×1023 mol-1

Avogadro arv preferred

Usage examples

Avogadro arv on proportsionaalsuse konstant aine koguse (ühik mool) ja loendamisüksuste koguse (ühik 1) vahel.

Avogadro konstant

symbol

Usage examples

NA = 6,022 140 76 × 1023 mol−1 on konstandi väärtus, mis eeldatakse olevat muutumatu.

Avogadro constant preferred

Usage examples

The Avogadro constant NA is a proportionality constant between the quantity amount of substance (with unit mole) and the quantity for counting entities (with unit one, symbol 1).

Avogadro's number

symbol

Usage examples

NA = 6,022 140 76 × 1023 mol−1 is is the value of the constant that is assumed to be invariant.

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