Study of Normal Elements of the Periodic Table

Author:V. K. Sally & R. Goel
10th CBSE
IMPORTANT

Study of Normal Elements of the Periodic Table: Overview

This topic describes the formation of various vertical groups within a periodic table in detail. It also highlights their similarities based on their electronic configuration.

Important Questions on Study of Normal Elements of the Periodic Table

HARD
IMPORTANT
Core Science Chemistry>Periodic Classification Of Elements>Study of Normal Elements of the Periodic Table> Q 1

Mendeleev "predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium".
(a) Name the elements that have taken the place of these elements
(b) Mention the group and the period of these elements in the Modern periodic table.
(c) Classify these elements as metals, non-metals or metalloids

MEDIUM
IMPORTANT
Core Science Chemistry>Periodic Classification Of Elements>Study of Normal Elements of the Periodic Table> Q 2

State two limitations of the Mendeleev's periodic table.