Question

Define
altomic mass. Give example​

Answer 1

Answer:

An atomic mass (symbol: ma) is the mass of a single atom of a chemical element. It includes the masses of the 3 subatomic particles that make up an atom: protons, neutrons and electrons. ... 1 atomic mass unit is defined as 1/12 of the mass of a single carbon-12 atom.

Explanation:

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Answer 2

Answer:

unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

oxygen-16, for example, has a mass of 2.66 × 10 -23 g.

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