An element X has atomic number 3, relative atomic mass 6.94 and consists of two isotopes of mass numbers 6 and 7.

An element X has atomic number 3, relative atomic mass 6.94 and consists of two isotopes
of mass numbers 6 and 7.
a) What is the mass number of the more abundant isotope of X?
b) Calculate the relative abundance of each of the isotopes.

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(a) 7

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sharon kalunda answered the question on May 16, 2019 at 14:15

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