| 電子配置 | $[He]2s^{2}2p^{6}$ |
| 原子量 | [20.1797(6)] |
| 融点[K] | 24.48[-248.67℃] |
| 沸点[K] | 27.10[-246.05℃] |
| 密度[$kg \cdot m^{-3}$] | 1444[固体] 1207.3[液体] 0.89994[気体] |
| 典型元素 | 遷移元素 | 典型元素 | ||||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
| 1 | H | He | ||||||||||||||||
| 2 | Li | Be | B | C | N | O | F | Ne | ||||||||||
| 3 | Na | Mg | Al | Si | P | S | Cl | Ar | ||||||||||
| 4 | K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr |
| 5 | Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe |
| 6 | Cs | Ba | #1 | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn |
| 7 | Fr | Ra | #2 | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og |
| #1 ランタノイド | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu |
| #1 アクチノイド | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr |
Vita brevis, ars longa. Omnia vincit Amor.