the.com/alkene
a double-bonded molecule too greedy to share electrons evenly and too reactive to sit still
double bondone sigma, one pi, both itching to react
ethylenesimplest alkene ripens your fruit on cue
cis vs transsame atoms, different shape, wildly different behavior
plastic rootspolymerized alkenes build most plastics on Earth
bromine testdecolorizes orange water, proving its hidden bond