Question

Please tell me about :-"atomic mass"​

Answer 1

Answer:

the mass of an atom of a chemical element expressed in atomic mass unit.

Answer 2

the mass of an atom of a particular chemical substance

परमाणु पिंड, पुंज या मात्रा, द्रव्‍यमान

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