Boron (B)vsSilicon (Si)
Silicon (Si) has a higher Electron Affinity (134 vs 27 kJ/mol), while Silicon (Si) has a higher Atomic Number (14 vs 5), while Silicon (Si) has a higher Atomic Mass (28 vs 11 u).
Atomic Properties
5
Atomic Number
14
11
Atomic Mass
28
2
Period
3
13
Group
14
Physical Properties
2
Density
2
2,349
Melting Point
1,687
4,200
Boiling Point
3,538
11
Molar Heat Capacity
20
Chemical Properties
2
Electronegativity
2
27
Electron Affinity
134
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).