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Physics, 10.07.2019 23:30 nuneybaby

The atomic mass of an element a. the sum of the protons and electrons in one atom of the element b. twice the number of protons in one atom of the element c. a ratio based on the mass of carbon-12 atom d. a weighted average of the masses of an elements isotopes

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The atomic mass of an element a. the sum of the protons and electrons in one atom of the element b...
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