Tips and Tricks on Periodic Classification Of Elements


 


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Lanthanide Contraction: Show reduction in size from left to right
Reason: Because f-orbital's have poor shielding properties & low penetrating power.



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IE increases along a period
Why? Due to 1. Decrease of atomic size & 2. Increased nuclear charge


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Practice other most important chapters tips
Chemical Kinetics
Chemical Bonding
Transition Elements (d and f block)
s-block Elements
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