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Lead
Lead

Radium
Radium



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Lead
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Radium

Lead and Radium Periodic Table

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Periodic Table

Symbol

Pb
Ra

Group Number

142
0 17
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Period Number

67
2 7
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Block

p block
s block

Element Family

Post-​Transition
Alkaline Earth

CAS Number

74399217440144
7429905 54386242
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Space Group Name

Fm_ 3m
Im_ 3m

Space Group Number

225.00229.00
11 276
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