Periodic table:

S-block
D-block
P-block
F-block
H He
li Be B C N O F Ne
Na Mg AL Si P S CL Ar
K Ca Se Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Te Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba Hf Ta W Re Os Ir Pt Au Hg Ti Pb Bi Po At Rn
Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Tr Tm Yb Lu
Ac Th Pa U Np Pu Am Cm Bk Bk Es Fm Md No Lr