Name two elements whose properties were predicted on the basis of their positions in Mendeleev's periodic table.

Name two elements whose atomic weights were corrected on the basis of their positions in Mendeleev's periodic table.

Name the element whose properties can be predicted on the basis of its position in the periodic table given by Mendeleev's.

Justify the position of zero group in Mendeleev's periodic table.

The bridge elements in Mendeleev's periodic table are

Name the anomalous pairs of elements in the Mendeleev's periodic table.

Name two anomalous pairs of elements present in Mendeleev's periodic table.

Predict the formula of hydrides of carbon and silicon using Mendeleev's periodic table.