The Chief Contribution of Physicist Henry Moseley to Atomic Theory

question 70

Multiple Choice

The chief contribution of physicist Henry Moseley to atomic theory was

• A) the discovery of the periodic law.
• B) the determination of the charge of the proton.
• C) the measurement of the atomic numbers of the elements.
• D) the determination of the electric charge of the electron.
• E) the discovery of the law of octaves.

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