Aluminium (Al)vsTechnetium (Tc)
Technetium (Tc) has a higher Density (11 vs 3 g/cm³), while Technetium (Tc) has a higher Atomic Mass (98 vs 27 u), while Technetium (Tc) has a higher Atomic Number (43 vs 13).
Atomic Properties
13
Atomic Number
43
27
Atomic Mass
98
3
Period
5
13
Group
7
Physical Properties
3
Density
11
933
Melting Point
2,430
2,743
Boiling Point
4,538
24
Molar Heat Capacity
24
Chemical Properties
2
Electronegativity
2
42
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).