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Who is credited with the discovery of atomic number?
a Dmitri Mendeleev
b Ernest Rutherford
C Henry Moseley
d Lothar Meyer


Sagot :

Final answer:

Henry Moseley discovered atomic number in 1913, linking it to X-ray emission under electron bombardment.


Explanation:

Henry Moseley is credited with the discovery of atomic number in 1913. He found that a class of X-rays emitted by an element when bombarded with electrons could be a measurable property increasing linearly with atomic number.


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