Who formulated the Periodic Law?
Correct answer: Dmitri Mendeleev

Kiwozzie
He wrote the periodic table in 1869.

KAITLYNMARIA
such a fascinating gentleman in my opinion

Arindita
I have read Mendeleev's periodic table. His periodic table's limitations, advantages, his predicted elements etc.

SQinfoNUTS
well! That's quite a project. I wonder how he got started?