Question

Compare how Dobereiner and Newlands arranged the elements in the Periodic Table of Elements before Moseley.

Answer 1

Dobereiner arranged the elements in the order of increasing atomic masses in a triad. The arrangement was modified by John Newlands and later by Dimitri Meneleev. Even Mendeleev's arrangement was later modified by Henry Moseley resulting in the Modern Periodic Table.

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Answer 2

Answer:

the arrangement was modified by john newlands and later by dimitri meneleev. even mendeleev's arrangement was later modified by henry moseley resulting in the modern periodic table.

Explanation:

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