Question

How do the scientists Mendeleev and Moseley differ on their arrangement for the periodic table? A) Their periodic table was arranged the same. B) Moseley arranged the elements based on atomic masses while Mendeleev arranged the elements based on atomic number. C) Moseley arranged the elements based on atomic numbers while Mendeleev arranged the elements based on atomic masses. D) Moseley arranged the elements based on the number of protons while Mendeleev arranged the elements based on x-ray frequency.

Answer 1

Explanation:  He made the atomic number instead of atomic mass. This fixed the discrepancies with elements such as tellurium and iodine.

Answer 2

Answer:

C) Moseley arranged the elements based on atomic numbers while Mendeleev arranged the elements based on atomic masses.

Explanation:

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