Aluminium (Al)vsSilicon (Si)
Silicon (Si) has a higher Electron Affinity (134 vs 42 kJ/mol), while Silicon (Si) has a higher Melting Point (1,687 vs 933 K), while Silicon (Si) has a higher Boiling Point (3,538 vs 2,743 K).
Atomic Properties
13
Atomic Number
14
27
Atomic Mass
28
3
Period
3
13
Group
14
Physical Properties
3
Density
2
933
Melting Point
1,687
2,743
Boiling Point
3,538
24
Molar Heat Capacity
20
Chemical Properties
2
Electronegativity
2
42
Electron Affinity
134
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).