Name each subatomic particle, its charge, and its location in an atom. (a) proton, positive charge, nucleus; neutron, positive charge, nucleus; electron, no charge, space around nucleus. (b) proton, positive charge, nucleus; neutron, no charge, nucleus; electron, negative charge, space around nucleus. (c) proton, no charge, nucleus; neutron, positive charge, nucleus; electron, negative charge, space around nucleus. (d) proton, no charge, nucleus; neutron, negative charge, space around nucleus; electron, no charge, nucleus