3a Boron
Name SymbolAtomic numberAtomic weightBoiling pointMelting PointDensity
Boron B 5 10.81 4002 C 2092 C 2.34 g/cm3
Aluminum Al 13 26.98 2520 C 661 C 2.70 g/cm3
Gallium Ga 31 69.72 2205 C 30 C 5.90 g/cm3
Indium In 49 114.8 2073 C 157 C 7.31 g/cm3
Thallium Tl 81 204.4 1473 C 304 C 11.85 g/cm3

notes: The element Boron is a component of Borax(sodium borate), which is used as a cleaner.
[Elements by Group] [Elements by Atomic Number] [Elements by Name] [The Table] [Title Page]
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