C3H4R1O1N1O1N1S1
13 points
CHRONONS is validvalid
CHRONON, a hypothetical unit of time [n]
CHRONON, a unit of time, that required for a photon to travel the diameter of an electron [n]
CHRONON, a hypothetical unit of time [n]
CHRONON, a unit of time, that required for a photon to travel the diameter of an electron [n]