Decades: 40s BC 30s BC 20s BC 10s BC 0s BC - 0s - 10s 20s 30s 40s 50s
Years: 2 3 4 5 6 - 7 - 8 9 10 11 12
... '-' denotes the single bond, and the '@'s denote the orbitals of the electrons forming the double bonds.
Being out of the plane of the atoms, thes ...
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