| 31 Ga Gallium (plaintext) | |
| 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 Pd Ag Cd In Sn Sb Te I Xe | |
| Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn | |
| Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og | |
| Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu | |
| Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr | |
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| | | | |
| | Gallium | | |
| | 69.723 u | | |
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| Wiki Article: Gallium | |
| Electron Configuration: [Ar]4s2 3d10 4p1 | |
| Electronegativity: 1.81 | |
| Atomic Radius: 187 pm | |
| Ionization Energy: 5.999 eV | |
| Electron Affinity: 0.3 eV | |
| Oxidation States: 3 | |
| Standard State: Solid | |
| Melting Point: 302.91 K | |
| Boiling Point: 2477 K | |
| Density: 5.91 g/cm3 | |
| Family: Post-transition metal | |
| Year Discovered: 1875 | |
| Number of Neutrons: 39 | |
| Number of Protons: 31 | |
| Number of Electrons: 31 | |
| Number of Valence: 3 | |
| Valency: 3 | |
| Group: 13 | |
| Period: 4 | |
| Shell: p-shell | |
| Specific Heat: 0.371 J/g K | |
| Radioactive: 0 | |
| Occurrence: Natural | |
| Source: Dying high-mass stars |