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hi what differance between aomic weight and atomic mass

hi what differance between aomic weight and atomic mass

Grade:12th Pass

3 Answers

Rahul Kumar
131 Points
9 years ago

The atomic mass is the mass of an atom at rest.  This refers to one atom, and is typically measured in so-called atomic mass units, and describes a single isotope of that element. 

The atomic weight is the abundance-weighted average mass of an element (an average mass of all the isotopes that exist for that element, weighted by how abundant each isotope is in nature).  Atomic weight is commonly reported in atomic mass units, as well as in grams per mole.

MALEPATI BALA SIVA SAI AKHIL
60 Points
9 years ago

DEAR AHMED,

ATOMIC MASS IS THE MASS OF A SINGLE ATOM,WHICH IS ITS COLLECTIVE MASS OF NEUTRONS, PROTONS AND ELECTRONS.

ATOMIC WEIGHT IS THE AVERAGE OF AN ELEMENT, WITH RESPECT TO ALL ITS ISOTOPES AND THEIR RELATIVE ABUNDANCES.

NOTE:-(IF ANY ELEMENT DOESNT HAVE ANY ISOTOPE THEN ATOMIC MASS=ATOMIC WEIGHT)

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pankaj kumar raman
51 Points
9 years ago

no difference

if you are thinking it on the physics level or something related to gravitational weight then its worng

these at. wt. & at. mass are frequently used words which only mean= the mass of the atom÷(1/12mass of carbon atom)

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