Radium (Ra)vsSodium (Na)
Radium (Ra) has a higher Atomic Mass (226 vs 23 u), while Radium (Ra) has a higher Atomic Number (88 vs 11), while Radium (Ra) has a higher Density (6 vs 1 g/cm³).
Atomic Properties
88
Atomic Number
11
226
Atomic Mass
23
7
Period
3
2
Group
1
Physical Properties
6
Density
1
1,233
Melting Point
371
2,010
Boiling Point
1,156
N/A
Molar Heat Capacity
28
Chemical Properties
1
Electronegativity
1
10
Electron Affinity
53
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).