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Erbium (Er)vsRhenium (Re)

Erbium (Er) has a higher Electron Affinity (30 vs 6 kJ/mol), while Rhenium (Re) has a higher Group (7 vs 3), while Rhenium (Re) has a higher Density (21 vs 9 g/cm³).

Atomic Properties

68
Atomic Number
75
167
Atomic Mass
186
6
Period
6
3
Group
7

Physical Properties

9
Density
21
1,802
Melting Point
3,459
3,141
Boiling Point
5,869
28
Molar Heat Capacity
25

Chemical Properties

1
Electronegativity
2
30
Electron Affinity
6

Similar Comparisons to Erbium (Er) vs Rhenium (Re)

Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).