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Einsteinium
Einsteinium

Neptunium
Neptunium



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Einsteinium
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Neptunium

Einsteinium and Neptunium Periodic Table

Periodic Table

Symbol

Es
Np

Group Number

133
0 17
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Period Number

77
2 7
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Block

f block
f block

Element Family

Actinide
Actinide

CAS Number

74299277439998
7429905 54386242
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Space Group Name

-
Pnma

Space Group Number

194.0062.00
11 276
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