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Ga - Gallium

Gallium was discovered by Lecoq de Boisbaudrain in 1875 in France.


Atomic number - 31 Density g/mL 5 .91
Atomic weight u 69 .72 Melting point K 302 .9
Bonding radius A 1 .26 Boiling point K 2478
Atomic radius A 1 .81 Heat of vaporization kJ/mol 258 .7
Ionization Potential V 5 .999 Heat of fusion kJ/mol 5 .59
Electronegativity - 1 .81 Specific heat J/gK 0 .37
The oxide is amphoteric.
Crystal are orthorhombic.

Electron config. : [Ar] 3d10 4s2 4p1

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

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 110 111 112 113
Lanthanides* Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Actinides ** Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

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