Question

how to learn element's atomic no.

Answer 1

hi dear

by writing them again and again...

and just learn them in series ,it will be easy learn
like

hydrogen
helium
lithium
berilium
boron
etc


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good night

Answer 2

hiii friend The thought of recalling the whole periodic table is enough to put anyone off their preparations for an impending Chemistry assessment. Devoting some time and utilizing simple tricks to can help memorize the periodic table, turning the uphill task easy.