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4 votes
Mendeleev made the first periodic table around _____.

1800

1870

1920

1950

User Felix Glas
by
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2 Answers

4 votes

1870..................................

User Mdpatrick
by
8.3k points
1 vote
the answer is B. 1870 as it was made in 1869
User Davestewart
by
9.0k points
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