Chemistry, asked by kanishakgupta998, 10 months ago

How mendeleev knows equivalent mass of beryllium

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Answered by Anonymous

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Answer:

Based on the position in the periodic table, Mendeleev corrected the atomic masses of some elements such as beryllium, indium, gold and platinum. He corrected the atomic mass of beryllium from 13. 5 to 9. He used the formula atomic weight=equivalent weight × valency.

Explanation:

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