How Did Mendeleev Predict the Properties of Undiscovered Elements

Did Mendeleev Predict The Properties Of Scandium And Gallium Even When These Elements Were Not Discovered

The Development How Did Mendeleev Develop The Periodic Table

Solved How Did Mendeleev Know There Were Elements That Had Not Been Discovered How Could Mendeleev Make Predictions About The Properties Of Undiscovered Elements Suppose Scientists Discover Anather New Element Where Will It

Dmitri Mendeleev