Atomic StructureMedium

Question

Mny elements have non-integral atomic masses because :

Options

A.they have isotopes

B.their isotopes have non-integral masses

C.their isotopes have different masses

D.the constituents, neutrons, protons and electrons, combine to given fractional masses

Solution

Average atomic of an element is given by =

A_i = atomic mass of isotope
X_i = % abundance of isotope

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