Periodic Table Development

Questions (3)

1.How did Mendeleev come up with the first periodic table of the elements?2.Which part of John Dalton’s theory was disproved
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2. asked anonymously
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How did mendeleev come up with the first periodic table of elements
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2. asked by Me
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can u help me on these questions?1) describe the development of the modern periodic table. include contributions made by
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2. asked by anon 101010
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