Ethene

Eth- → death → shoe → two → 2 carbon atoms

-ene → Queen → two James Bonds → double bond → double carbon bond

Which looks like

Or

So ethene = C₂H₄

 

C₂H₄

C₂H₄ is

Which looks like

Or

2 carbon atoms → two → shoe → death → eth-    

Double carbon bond → double bond → two James Bonds → queen → -ene

 

C₂H₄ = ethene

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