Aluminium (Al)vsSelenium (Se)
Selenium (Se) has a higher Electron Affinity (195 vs 42 kJ/mol), while Selenium (Se) has a higher Atomic Mass (79 vs 27 u), while Aluminium (Al) has a higher Boiling Point (2,743 vs 958 K).
Atomic Properties
13
Atomic Number
34
27
Atomic Mass
79
3
Period
4
13
Group
16
Physical Properties
3
Density
5
933
Melting Point
494
2,743
Boiling Point
958
24
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
3
42
Electron Affinity
195
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).