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Sulfur Spaghettio Demonstration

1,506 views · Published 5 November 2009 · 3:55 · Indexed 2 October 2026

Channel: MrLundScience · 2009 · Science & Technology

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In this demonstration, various allotropes of elemental sulfur are explored, showing both physical and chemical changes of this amazing and versatile element.  In its most stable form, sulfur is a molecule comprised of eight sulfur atoms bonded in a ring (like spaghettios).  Just like cold spaghettios, the molecules won't flow around each other.  Add some heat, and the element melts.  Similarly, add heat to spaghettios, and they two will become more "soupy".  Continue to heat, and red sulfur is produced, which is an allotrope of sulfur made up of long chain sulfur molecules, sometimes 100,000 atoms in length.  Now, rather than spaghettios, the molecules are more like spaghetti strands.  They can tangle up each other, causing this to be a very viscous liquid.  Heat further, and black sulfur emerges, which is like chopping up the spaghetti strands.  Black sulfur has a very low viscocity.  The black sulfur is then poured into cold water to supercool it, forcing it back into the solid state, but keeping it as the black sulfur allotrope.  Music provided by Slipknot, with their adequately titled song, "Sulfur".

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