What is the number on the periodic table of elements

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what do the numbers listed for an element on the periodic table represent? the smaller number is the mass, and the greater number is the atomic number. the smaller number is the number of protons, and the greater number is the mass. the smaller number is the number of neutrons, and the greater number is the number of electrons. the smaller number is the number of neutrons, and protons and the greater number is the number of electrons.

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The smaller number is the atomic number or the number of protons and the larger number is the atomic mass.

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