Atoms
Hydrogen
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Phosphorus

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Sigma-Link
Wedge

• pair to Extend
  
• use with bent-Pi to Rotate
  

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Pi-Links
Bent-Pi (use with sigma-wedge)

• Like this

Straight-Pi (use alone)

• Like this

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Molecules
Water
Methane
Carbon Dioxide
Acetylene
Dimethypropane
Benzene
Tripeptide

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Games

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Yu-Gi-Oh!