Chromium (Cr)vsPlatinum (Pt)
Platinum (Pt) has a higher Atomic Mass (195 vs 52 u), while Platinum (Pt) has a higher Atomic Number (78 vs 24), while Platinum (Pt) has a higher Electron Affinity (205 vs 65 kJ/mol).
Atomic Properties
24
Atomic Number
78
52
Atomic Mass
195
4
Period
6
6
Group
10
Physical Properties
7
Density
21
2,180
Melting Point
2,041
2,944
Boiling Point
4,098
23
Molar Heat Capacity
26
Chemical Properties
2
Electronegativity
2
65
Electron Affinity
205
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).