Antimony (Sb)vsPolonium (Po)
Polonium (Po) has a higher Atomic Mass (209 vs 122 u), while Antimony (Sb) has a higher Melting Point (904 vs 527 K), while Polonium (Po) has a higher Atomic Number (84 vs 51).
Atomic Properties
51
Atomic Number
84
122
Atomic Mass
209
5
Period
6
15
Group
16
Physical Properties
7
Density
9
904
Melting Point
527
1,908
Boiling Point
1,235
25
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
2
101
Electron Affinity
136
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).