A "butterfly mechanism" reaction forms epoxides, which are comprised of this many atoms.
Consecutive series of systems with this many members separated by a factor of 22.7 in a "Russian nesting doll structure" are called Efimov states. The simplest subunits of propellanes have this many carbons. A test for methyl ketones forms a yellow precipitate of molecules with this many halogen atoms. Iodomethane and zinc react with alkenes to form a ring with this many members in the (*) Simmons–Smith reaction. A "butterfly mechanism" reaction forms epoxides, which are comprised of this many atoms. Aluminum has this many valence electrons. Nitrogen must form this many bonds to complete its octet. There are this many p orbitals for each energy level after the first. For 10 points, name this number of carbons in propane and atomic number of lithium.
Consecutive series of systems with this many members separated by a factor of 22.7 in a "Russian nesting doll structure" are called Efimov states.
three [or 3; accept plus 3 or positive 3; do not accept or prompt on “minus 3” or “negative 3”] &lt;JL, Chem&gt;