Which of these is not a contribution of Moseley?
Nuclear model refinement
Justification of atomic number concept
Moseley's Law
Discovery of proton
Answer
The proton was discovered by Ernest Rutherford in 1911. It is the positively charged subatomic particle found in the nucleus of an atom. Moseley is credited with discovering the atomic number, which is the number of protons in an atom. The atomic number is used to identify elements and their position on the periodic table.
The Genius Within: Unraveling the Legacy of Henry Moseley
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