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Technetium
Technetium

Hafnium
Hafnium



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Technetium and Hafnium Periodic Table

Periodic Table

Symbol

Tc
Hf

Group Number

74
0 17
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Period Number

56
2 7
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Block

d block
d block

Element Family

Transition Metal
Transition Metal

CAS Number

74402687440586
7429905 54386242
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Space Group Name

P63/mmc
P63/mmc

Space Group Number

194.00194.00
11 276
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