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Mercury
Mercury

Actinium
Actinium



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Actinium

Mercury and Actinium Periodic Table

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Periodic Table

Symbol

Hg
Ac

Group Number

123
0 17
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Period Number

67
2 7
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Block

d block
f block

Element Family

Transition Metal
Actinide

CAS Number

74399767440348
7429905 54386242
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Space Group Name

R_ 3m
Fm_ 3m

Space Group Number

166.00225.00
11 276
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