镓(4s²4p¹)

Ga

Ga + Cl₂

GaCl₂(无色透明)(不完全燃烧)

2Ga + 3S

Ga₂S₃

2Ga + 6HCl

2GaCl₃ + 3H₂

Ga + 2GaCl₃

3GaCl₂

2Ga(固) + MnO₄^- + 3H₂O

MnO₂(固) + 2Ga(OH)₂(固)

Ga₂O₃

Ga₂O₃ + 4Ga

3Ga₂O

Ga(OH)₃

Ga(OH)₃ + NaOH

Na[GaO₂](镓镁酸) + 2H₂O

Ga₂S

3Ga₂S

Ga₂S₃ + 4Ga

GaS

4GaS

Ga₂S₃ + Ga₂S(在真空中加热)