ଛାଞ୍ଚ:Janet left-step periodic table (with shell filling sequence)
ଦେଖଣା
Janet left-step periodic table | ||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1s | H | He | ||||||||||||||||||||||||||||||
2s | Li | Be | ||||||||||||||||||||||||||||||
2p 3s | B | C | N | O | F | Ne | Na | Mg | ||||||||||||||||||||||||
3p 4s | Al | Si | P | S | Cl | Ar | K | Ca | ||||||||||||||||||||||||
3d 4p 5s | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr | Rb | Sr | ||||||||||||||
4d 5p 6s | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe | Cs | Ba | ||||||||||||||
4f 5d 6p 7s | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn | Fr | Ra |
5f 6d 7p 8s | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Uut | Fl | Uup | Lv | Uus | Uuo | Uue | Ubn |
f-block | d-block | p-block | s-block | |||||||||||||||||||||||||||||
This form of periodic table is more congruent with the order in which electron shells are filled, as shown in the accompanying sequence in the left margin (read from top to bottom, left to right). The placement of helium (a noble gas) above beryllium (an alkaline earth metal) ordinarily attracts strong criticism from chemists. |