Trick to learn periodic table lecture 3

The fourth period of modern periodic table includes:

State the fundamental property on which the modern periodic table or long form of periodic table is based.

State the fundamental property on which the modern periodic table or long form of periodic table is based.

In the modern periodic table, elements are arranged in

Why the third period of Modern periodic table contains 8 elements and not 18 ?

In the modern periodic table, the period indicates the value of

In the modern periodic table, the period indicates the value of :

Name or state with reference to the elements of the modern periodic table. The element in period-3 which does not form an oxide.

An element belongs to group 17 and period 3 of the periodic table. Write the following: The number of valence electrons in its atom.

An element belongs to group 17 and period 3 of the periodic table. Write the following: Its metallic and nonmetallic nature