Magnesium (Mg)vsRadium (Ra)
Radium (Ra) has a higher Electron Affinity (10 vs -40 kJ/mol), while Radium (Ra) has a higher Atomic Mass (226 vs 24 u), while Radium (Ra) has a higher Atomic Number (88 vs 12).
Atomic Properties
12
Atomic Number
88
24
Atomic Mass
226
3
Period
7
2
Group
2
Physical Properties
2
Density
6
923
Melting Point
1,233
1,363
Boiling Point
2,010
25
Molar Heat Capacity
N/A
Chemical Properties
1
Electronegativity
1
-40
Electron Affinity
10
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).