shondagross2 shondagross2

Today at 11:06 AM
Chemistry

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(worth 10pts!!!!!!) What did Dmitri Mendeleev contribute to science? A. He arranged the first periodic table. B. He developed the first model of the atom. C. He discovered many unknown elements . D. He developed the first atomic theory

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SeherSheikh011 SeherSheikh011

Today at 11:12 AM

Answer:

A. He arranged the first periodic table.

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taylorraintilt taylorraintilt

Today at 11:11 AM

Answer:

A.

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