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What does the atomic mass of an element represent?

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atomic number. The number of protons in an atomic nucleus; it indicates the position of an element in the periodic table. The number of protons in the nucleus of an atom. In electrically neutral atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus. read more

The mass of an atom is referred to as atomic mass. The mass of a molecule may also be referred to as atomic mass but may also be referred to as molecular mass. In either case, atomic mass refers to the average mass of a pure sample. read more

These variations in atomic mass are called "isotopes" of that element) I have made a related link below showing you a Periodic Table of the Elements. The numbers on the table are the atomic number of the element. An element's atomic number represents the number of protons that are present in the nucleus of an atom in that element. read more

A) The total number of its protons and electrons. B) The average total mass of its neutrons, protons, and electrons. read more

An element's atomic number represents the number of protons that are present in the nucleus of an atom in that element. The atomic number represents the number of protons there is in that element. It also represents the number of electrons for that particular element only if the atom is atomically neutral and is not electrically charged. read more

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