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atoommassas

Atoommassas is a term that appears in a limited set of educational glossaries and some science-fiction contexts to denote a unit of mass on the atomic scale. It is not an officially recognized unit in the International System of Units (SI) and does not appear in standard scientific literature as a defined quantity.

In sources that mention it, a single atoommassa is described with varying definitions, and there is no

Etymology-wise, the term is formed from "atom" and "mass," and in contexts that pluralize it, the form

See also: atomic mass unit (amu), dalton, kilogram, molecular mass.

universal
conversion
to
kilograms.
Some
definitions
treat
one
atoommassa
as
roughly
the
mass
of
a
proton,
about
1.0×10^-27
kilograms.
Other
definitions
align
the
unit
with
the
dalton
or
atomic
mass
unit,
approximately
1.66×10^-27
kg,
which
makes
it
similar
in
magnitude
to
1
amu.
Because
of
this
lack
of
standardization,
the
term
is
mainly
used
as
a
pedagogical
aid
for
illustrating
mass
concepts
or
in
fictional
settings
rather
than
as
a
precise
scientific
unit.
atoommassas
is
used.
Usage
is
typically
confined
to
teaching
materials,
glossaries,
or
speculative
narratives,
and
it
is
not
part
of
formal
scientific
measurement
practices.