Atomaar masenianhaid

Det atomaar masenianhaid (ufkört: u för unified atomic mass unit, iar uk amu för atomic mass unit) as en miat för't mase uun a füsiik. Di wäärs as fäästlaanj üs ¹⁄₁₂ faan't mase faan't Karboon-Isotoop ¹²C.

Tekst üüb Öömrang

Miat
Norm	Üs SI-ianhaid tuläät
Nööm	Atomaar masenianhaid
Tiaken	${\displaystyle \mathrm {u} }$ (of uk ${\displaystyle \mathrm {Da} }$)
Füsikaalisk grate	Mase
Formeltiaken	${\displaystyle m}$
Dimensionsümbool	${\displaystyle {\mathsf {M}}}$
Uun SI-Ianhaiden	${\displaystyle 1\,\mathrm {u} =1{,}660\,538\,921(73)\cdot 10^{-27}\,\mathrm {kg} }$

Bestemang

1 u as ¹⁄₁₂ faan't mase faan't Karboon-Isotop ¹²C. Det san

${\displaystyle 1\,\mathrm {u} =1{,}660\,538\,921(73)\cdot 10^{-27}\,\mathrm {kg} }$ of uk

${\displaystyle 1\,\mathrm {u} =931{,}494\,061(21)\,\mathrm {MeV} /\mathrm {c} ^{2}}$

Amreegent tu't SI-ianhaid kilogram san det^[1]:

${\displaystyle 1\,\mathrm {kg} =6{,}022\,141\,29(27)\cdot 10^{26}\,\mathrm {u} }$ of uk

${\displaystyle 1\,\mathrm {g} =6{,}022\,141\,29(27)\cdot 10^{23}\,\mathrm {u} }$

u, g an mol

At Mol, det ianhaid för't mengde, ferbanjt at atomaar masenianhaid mä't gram. Ian Mol häält

${\displaystyle 6{,}022\;141\;29\;(27)\cdot 10^{23}\ }$^[2]

dialen, an detdiar Avogadro-taal as det amreegnangstaal tesken gram/mol an u.

Sodenang as det molaar mase uun g/mol detsalew üs det moleküülmase uun u.