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It is thought that the first multicellular organisms arose about:
π Molecular Orbital
A molecular orbital formed by the side-to-side overlap of atomic orbitals, commonly p orbitals, leading to the formation of a bonded region of electron density above and below the plane of the atomic nuclei.
Allyl Radical
A molecular entity consisting of an alkene with a CH2-CH=CH2 structure where a hydrogen atom is removed, leaving an unpaired electron.
Major Organic Product
The primary product of a chemical reaction that has the highest yield, relative to other potential products.
Cycloheptene
A cyclic hydrocarbon with the molecular formula C7H12, featuring a seven-membered ring with one double bond.
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