Question

difference between atomic mass unit and atomic mass​

Answer 1

The total number of neutrons and protons of an atom is called atomic mass. Electrons are not counted and can be neglected as their size is very small. The atomic mass unit is Dalton. It is represented as Da and is the standard unit used to indicate the mass of an atom.

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Answer 2

Explanation:

The total number of neutrons and protons of an atom is called atomic mass. Electrons are not counted and can be neglected as their size is very small. The atomic mass unit is Dalton. It is represented as Da and is the standard unit used to indicate the mass of an atom.

Atomic mass (ma) is the mass of an atom. A single atom has a set number of protons and neutrons, so the mass is unequivocal (won't change) and is the sum of the number of protons and neutrons in the atom. ... Atomic weight is a weighted average of the mass of all the atoms of an element, based on the abundance of isotopes.