The Neutrino Is

Multiple Choice

The neutrino is

A) an uncharged nuclear particle with mass intermediate between those of the electron and the proton,like a low-mass neutron,capable of penetrating large thicknesses of matter.
B) another name for an electron that carries a positive charge instead of a negative charge.
C) a heavy,uncharged nuclear particle,easily detected.
D) an elusive,subatomic particle having little or no mass,and very difficult to detect.