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Chemistry
Periodic Table
Group 13 Elements
Group 13 Elements
#
Symbol
Name
Atomic Mass
Category
5
B
Boron
10.81
Metalloids
13
Al
Aluminium
26.982
Post-Transition Metals
31
Ga
Gallium
69.723
Post-Transition Metals
49
In
Indium
114.818
Post-Transition Metals
81
Tl
Thallium
204.38
Post-Transition Metals
113
Nh
Nihonium
286
Post-Transition Metals
6 elements