.React with liquid ammonia: M(s)+(x+y)NH3(I)M(NH3)x++e(NH3), electrically conductive,paramagnetic a blue solution trace impurity CM(s)+2NH3(I)-2M++2NH2+H2(g) or actinism cfM+H2O→Mt+OH+H2(g) (光化作用)•React with liquid ammonia: a blue solution 2M(s) + 2NH 3(l) 2M+ + 2NH 2 - + H 2(g) c.f. M + H 2O → M + + OH - + H 2(g) M(s) + (x + y )NH 3(l) M(NH 3 ) x + + e(NH 3 )y - electrically conductive, paramagnetic trace impurity or actinism (光化作用 )