Periodic Table · element
Einsteinium
Es · Z 99
- atomic number
- 99
- atomic mass
- 252
- notation
- Es
- group
- f-block: Actinide
- period
- 7
- state0c
- Solid
- state20c
- Unknown
- occurrence
- Synthetic
- density
- 8.84
- melting pt
- 860
- discovered
- 1952
categories
#Actinide#Metal
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