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What did Henry Moseley determine that contributed to understanding the
atom?
A. That each element has a different number of isotopes.
B. That each element has a different number of protons.
C. That each element has a different number of neutrons.
D. That each element has a different number of electrons.

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Answer:

the correct answer is B) that each element has a different of protons

Explanation:

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Henry Moseley, determine to understanding the atom is B. That each element has a different number of protons.

Who was Henry Moseley?

Henry Gwyn Jeffrey's Moseley was a physicist. He is known for the discovery of x-ray spectrum of the elements and the relationship between atomic number and wavelength.

Thus, the correct option is B,that each element has a different number of protons.

Learn more about Henry Moseley

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