Astatine (At)vsNiobium (Nb)
Niobium (Nb) has a higher Boiling Point (5,017 vs 610 K), while Niobium (Nb) has a higher Melting Point (2,750 vs 575 K), while Astatine (At) has a higher Group (17 vs 5).
Atomic Properties
85
Atomic Number
41
210
Atomic Mass
93
6
Period
5
17
Group
5
Physical Properties
6
Density
9
575
Melting Point
2,750
610
Boiling Point
5,017
N/A
Molar Heat Capacity
25
Chemical Properties
2
Electronegativity
2
233
Electron Affinity
89
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).