Question -
What does the abbreviation amu stand for?
Options:
A .  Atomic molecular unit
B .  Atomic mass unit
C .  Atomic mole unit
D .  Atomic measuring unit
Answer: Option B : B According to IUPAC recommendations, mass of the atom is expressed as atomic mass unit (amu) or unified atomic mass unit (u). 1 amu is defined asone-twelth the mass of a carbon-12 atom.
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