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Silicon (Si)vsThallium (Tl)

Thallium (Tl) has a higher Atomic Mass (204 vs 28 u), while Thallium (Tl) has a higher Atomic Number (81 vs 14), while Thallium (Tl) has a higher Density (12 vs 2 g/cm³).

Atomic Properties

14
Atomic Number
81
28
Atomic Mass
204
3
Period
6
14
Group
13

Physical Properties

2
Density
12
1,687
Melting Point
577
3,538
Boiling Point
1,746
20
Molar Heat Capacity
26

Chemical Properties

2
Electronegativity
2
134
Electron Affinity
36

Similar Comparisons to Silicon (Si) vs Thallium (Tl)

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