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Thallium
Thallium

Polonium
Polonium



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Thallium and Polonium Periodic Table

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Periodic Table

Symbol

Tl
Po

Group Number

1316
0 17
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Period Number

66
2 7
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Block

p block
p block

Element Family

Post-​Transition
Post-​Transition

CAS Number

74402807440086
7429905 54386242
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Space Group Name

P63/mmc
Pm-3m

Space Group Number

194.00221.00
11 276
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