According to the wave-mechanical model of the atom, an orbital is a region of the most probable location of
(1) an alpha particle (3) an electron
(2) a gamma ray (4) a proton

Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive