Question

Important Topics to learn from periodic Table class 9th.
kindly tell ​

Answer 1

Important topics of periodic table to learn :

.All the laws.

.Dobereiner's Triads.

.Newlands' Law of Octaves.

.Lother Meyer's Law.

.Mendeleev's Periodic Law.

. Long Form of the Periodic Table.

Long Form of the Periodic Table.Periodicity.

.Variation of Periodic Properties in the Periodic Table.