Chemistry
Which group of elements was missing from Mendeleev's original periodic table ?
Related Questions
State Mendeleev's periodic law.
Use Mendeleev's Periodic Table to predict the formula of:
(a) hydrides of carbon and silicon
(b) oxides of potassium, aluminium and barium.
State the merits of Mendeleev's classification of elements.
Why did Mendeleev leave some gaps in his periodic table of elements? Explain your answer with an example.