Trick to learn periodic table till required for class 9th

Dear student,
For class 9 you need to know the first 20 elements of the periodic table. The Mnemonic Device for the same is -"Happy Henry Lives Beside Boron Cottage, Near Our Friend Nelly Nancy MgAllen. Silly Patrick Stays Close. Arthur Kisses Carrie."
Hope this helps!! 
Regards

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Calcium tk yaad krlo bs
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Chahe mnemonics bnakr krlo
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