Question

define atomic mass short answer​

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:

The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit . The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.

Explanation: