Astatine (At)vsMeitnerium (Mt)
Meitnerium (Mt) has a higher Density (37 vs 6 g/cm³), while Astatine (At) has a higher Group (17 vs 9), while Meitnerium (Mt) has a higher Atomic Mass (278 vs 210 u).
Atomic Properties
85
Atomic Number
109
210
Atomic Mass
278
6
Period
7
17
Group
9
Physical Properties
6
Density
37
575
Melting Point
N/A
610
Boiling Point
N/A
N/A
Molar Heat Capacity
N/A
Chemical Properties
2
Electronegativity
N/A
233
Electron Affinity
N/A
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Data sourced from Periodic-Table-JSON (CC-BY-SA (data is public domain scientific fact)).