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Gnom [1K]
3 years ago
7

1. The Russian chemist who designed the first accepted version of periodic table in the 1800s was ______________.

Chemistry
1 answer:
vekshin13 years ago
7 0

1. Dimitri Mendeleev

2. Increasing atomic number

3. Phosphorus or P

4. ?

5. Boron or B

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