Group 1
Dmitry Mendeleyev
He is a famous chemist, born 1834 in Tobolsk,Russia.
He is invited periodic table of elements.
He is a great scientist :)
That’s all! ;D
Group 2
Group 3
Group 4
Group 5
Group 6
Group 1
Dmitry Mendeleyev
He is a famous chemist, born 1834 in Tobolsk,Russia.
He is invited periodic table of elements.
He is a great scientist :)
That’s all! ;D
Group 2
Group 3
Group 4
Group 5
Group 6