Question

define atomic mass unit what it is it's symbol​

Answer 1

Answer:

In chemistry, an atomic mass unit or AMU is a physical constant equal to one-twelfth of the mass of an unbound atom of carbon-12. It is a unit of mass used to express atomic masses and molecular masses. ... The symbol for the unit is u (unified atomic mass unit) or Da (Dalton), although AMU may still be used.

Explanation:

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Answer 2

Answer:

atomic mass unit means

Explanation:

• atomic mass unit is carbon 12 isotope.
• it is denoted by U or amu