An atomic mass unit is defined as 1/12th of the mass of which atom?
Answer & explanation
Correct answer: option 3
An atomic mass unit is defined as 1/12th of the mass of 12C atom.
An atomic mass unit is defined as 1/12th of the mass of which atom?
Correct answer: option 3
An atomic mass unit is defined as 1/12th of the mass of 12C atom.