Polonium (Po)vsSilicon (Si)
Polonium (Po) has a higher Atomic Mass (209 vs 28 u), while Polonium (Po) has a higher Atomic Number (84 vs 14), while Polonium (Po) has a higher Density (9 vs 2 g/cm³).
Atomic Properties
84
Atomic Number
14
209
Atomic Mass
28
6
Period
3
16
Group
14
Physical Properties
9
Density
2
527
Melting Point
1,687
1,235
Boiling Point
3,538
26
Molar Heat Capacity
20
Chemical Properties
2
Electronegativity
2
136
Electron Affinity
134
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).