Trick to Learn Periodic Table in 30 seconds!

How does the number of valence electrons vary on moving from left to right: (i) in the first period of the periodic table? (ii) in the second priod of the periodic table?

Modern periodic table has ...... periods.

Mendeleev's Periodic Law|Significance Of Mendeleev's Periodic Table |Limitation Of Mendeleev's Periodic Table |Moseley Work |Modern Periodic Law |Periodic Table Of The Elements |Summary

Long form OF Periodic Table (Complete Table OF 118 Elements and Trick to Remember Complete Periodic Table)

RAY OPTICS | Super Trick To solve questions in 10 seconds | Physics Tricks |JEE MAINS 2020/NEET 2020

History OF Periodic Table and Mendeleev''s Periodic Table

Mendeleev's Periodic Table (Importance,Merit and De-merits) || Modern Periodic Table || Mosley's Law || Periodicity || Reason OF Periodicity

Mendeleev's Periodic Table || Modern Periodic Table || Moseley's Law || Periodicity, Cause OF Periodicity