Propene
Prop- → propeller → tree → three → 3 carbon atoms
-ene → Queen → two James Bonds → double bond → double carbon bond
Also looks like
Or
So propene = C3H6
C3H6
C3H6 is
Or
Which looks like
Or
3 carbon atoms → three → tree → propeller → prop-
Double carbon bond → double bond → two James Bonds → Queen → -ene
C3H6 = propene