What is the difference between atomic mass and mass number ?
Answers
mass number is the number of protons + neutrons in one particular atom. Atomic mass is the weighted average of all naturally occurring isotopes of the atom.
Definition
The Mass Number is the weight of the nucleus of an atom.
The Atomic Mass is the average weight of an element form.
Symbol
The Mass Number is written on the upper left-hand corner of an elemental expression.
The Atomic Mass is not symbolized as such.
Consideration of Isotopes
Mass Number doesn’t take the existence of isotopes into consideration, as it relates to the weight of each atom separately.
The Atomic Mass relates to the average weight of an elemental form and, therefore, it takes into consideration the existence of isotopes and their abundance.
Numerical Value
The Mass Number is a simplified number, usually without decimal places.
The Atomic Mass deals with several decimal values as it is a weighted average.
Ease of Use
The Mass Number is easier to use for general purposes.
The Atomic Mass is helpful when performing specific calculations.
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Answer:
atomic mass
Explanation:
the most remarkable concept that Dalton's atomic theory proposed was that of the atomic mass.