Antimony (Sb)vsEinsteinium (Es)
Antimony (Sb) has a higher Electron Affinity (101 vs -29 kJ/mol), while Antimony (Sb) has a higher Group (15 vs 3), while Einsteinium (Es) has a higher Atomic Mass (252 vs 122 u).
Atomic Properties
51
Atomic Number
99
122
Atomic Mass
252
5
Period
7
15
Group
3
Physical Properties
7
Density
9
904
Melting Point
1,133
1,908
Boiling Point
1,269
25
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
1
101
Electron Affinity
-29
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).