Explain the following: Elements with higher atomic numbers are rare.
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element in terms of heaviest per a given number of atoms the element with the highest atomic weight. This is the element with thelargest number of protons, which is presently element 118, oganesson or ununoctium.
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Answer:
EMass number is always an integer.
The atomic mass reported on a periodic table is the weighted average of all the naturally occuring isotopes.
Being an average it would be most unlikely to be a whole number.
The mass of an individual atom in atomic mass units is the mass relative to carbon-12.
hope it helps u
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