Question

the _____ of an element is the number of times one atom of the element is heavier than 1/12 times of the mass of carbon atoms-12​

Answer 1

Answer:

the atomic number

Explanation:

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Answer 2

Question :

The _____ of an element is the number of times one atom of the element is heavier than 1/12 times of the mass of carbon atoms (C 12).

Answer :

The Relative atomic mass of an element is the number of times one atom of the element is heavier than 1/12 times of the mass of carbon atoms (C 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 is called relative atomic mass.

• Relative atomic mass = (Mass of one atom of an element) / ( 1/2 Mass of one atom of Carbon-12 )

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