Method of Prediction of block, group and period of element

Modern Periodic Table|Prediction Of Period, Group And Block Of A Given Element|Exercise Questions|Summary

An element has atomic number 79.Predict the group and period in which the element is placed.

D-Block|f-Block Elements|Prediction Of Period, Group And Block Of A Given Element|Summary

D-Block|f-Block Elements|Prediction Of Period, Group And Block Of A Given Element|Summary

D-Block|f-Block Elements|Prediction Of Period, Group And Block Of A Given Element|Summary

f - Block Elements|Prediction Of Period, Group And Block Of A Given Element|Questions|Atomic Radius|Covalent Radii|Van Der Waal Radius|Inert Gas Radius|Comparison Of Covalent Radius And Van Der Waals Radius|Metallic Radius|Comparison Of Different Types Of Atomic Radii|Summary

Mendeleev's predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium. Mention the group and the period of these elements in the Modem Periodic Table.