et

aatomkaal

1 substantive

Terminological databases

Materjalitehnika terminibaas

ID 1126825 Last modified 21.01.2025
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Domain Chemistrymaterials science
aatommass preferred
massiarv
aatomkaal former
atomic mass preferred
  • number, mis tähistab iga keemilise elemendi aatomi keskmist massi (vt aatom, aatommassi ühik)
  • a number assigned to each chemical element that specifies the average mass of its atoms (see: atom, atomic mass unit)
aatommass preferred
massiarv
aatomkaal former
atomic mass preferred
atomic weight

Metroloogia terminibaas

ID 579719 Last modified 14.09.2023
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Domain metrologyunits of measurement
aatomimass preferred
aatommass former
aatomkaal deprecated
atomic mass preferred
mass of the atom
atomic weight deprecated
  • aatomi seisumass põhiolekus
  • rest mass of an atom in its ground state
aatomimass preferred
Usage examples
  • Aatomimassi väljendatakse sageli SI-välises ühikus dalton (tähis: Da või u), kus 1 dalton on määratletud kui 1⁄12 ühe süsinik-12 aatomi massist, puhkeolekus.
Good to know
  • Aatomimasside otsene võrdlemine ja mõõtmine toimub aatomispektroskoopia massispektri abil.
aatommass former
aatomkaal deprecated
Good to know
  • Vananenud termin, kasutati olukorras, mil termini "mass" asemel kasutati terminit "kaal".
atomic mass preferred
Usage examples
  • Atomic mass is often expressed in the non-SI unit dalton (symbol: Da, or u), where 1 dalton is defined as 1⁄12 of the mass of a single carbon-12 atom, at rest.
Good to know
  • Direct comparison and measurement of the masses of atoms is achieved with mass spectrometry.
mass of the atom
atomic weight deprecated

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