Question

how to learn 30 element with atomic number

Answer 1

Yu CAn take my trick...

I remember all 70 elements

H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc TI V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh In Sn Sb Te I Xe.....

Study these all elements this is written according to atomic number and by group You should remember like this

H Li Na K I Rb Se Fr Be Mg Cr .......