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Marrrta [24]
3 years ago
14

What did henry mosely do?, What did he discover and how it proved that mendeleev's period was valid?

Chemistry
1 answer:
Anettt [7]3 years ago
8 0
Henry Mosely reorganized Mendeleev's periodic table so it would be in order of atomic number (number of protons) instead of in order by atomic mass. (I don't know the answer to the other 2 questions I apologize)
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