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Aluminium (metal), atomic number 13
Aluminium (metal), atomic number 13
Silicon (metalloid), atomic number 14
Silicon (metalloid), atomic number 14
Phosphorus (nonmetal), atomic number 15
Phosphorus (nonmetal), atomic number 15
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Liquid mercury. Its liquid state at standard conditions is the result of relativistic effects.
Liquid mercury. Its liquid state at standard conditions is the result of relativistic effects.
Graphite and diamond, two allotropes of carbon
Graphite and diamond, two allotropes of carbon
Iron, a metal
Iron, a metal
Sulfur, a nonmetal
Sulfur, a nonmetal