List the Following in Order of Increasing Mass: Atom, Molecule

Multiple Choice

List the following in order of increasing mass: atom, molecule, proton, neutron, electron.

A) electron < proton < neutron < atom < molecule
B) neutron < proton < electron < atom < molecule
C) electron < proton < atom < neutron < molecule
D) proton < neutron < electron < atom < molecule
E) atom < electron < proton < neutron < molecule