Question

Explain atom,atomic mass, molecules, molecular mass

Answer 1

Explanation:

The atomic mass unit (u) is a unit that describes the masses of individual atoms and molecules. The atomic mass is the weighted average of the masses of all isotopes of an element. The molecular mass is the sum of the masses of the atoms in a molecule.

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Answer 2

Answer:

atom

Atomic mass of an element is the number of times an atom of that element is heavier than an atom of carbon taken as 12. One atomic mass unit is equal to one-twelfth of the mass of an atom of carbon 12 isotope. The atomic mass of an element is the average relative mass of its atoms as compared to an atom of carbon 12 taken as 12.

molecules

The molecular mass ( m) is the mass of a given molecule: it is measured in daltons (Da or u). Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element.

Explanation:

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