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Gallium
Gallium

Technetium
Technetium



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Gallium and Technetium Periodic Table

Periodic Table

Symbol

Ga
Tc

Group Number

137
0 17
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Period Number

45
2 7
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Block

p block
d block

Element Family

Post-​Transition
Transition Metal

CAS Number

74405537440268
7429905 54386242
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Space Group Name

Cmca
P63/mmc

Space Group Number

64.00194.00
11 276
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