Question

define relative atomic mass


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Answer 1

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The ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12.

Answer 2

Answer:

The relative atomic mass is the lower number on the periodic table (the upper number is the atomic number, which counts the number of protons). ... For example, a carbon-12 atom has 6 protons and 6 neutrons, and so has a relative atomic mass of 12.

The ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon-12

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