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An element is isobaric with the inert gas atom . The electronic arrangement of the element is . How many neutrons does each atom of the element carry in its nucleus?



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An element is isobaric with the inert gas atom . The electronic arrangement of the element is . How many neutrons does each atom of the element carry in its nucleus?

1 Answer
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Answer Key / Explanation : (20) -

Atomic number of inert gas atom = 20

Atomic mass of inert gas atom = 40 (isobaric to )

 Number of neutron =

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