Sec. 7.10J 



RADIOACTIVITY 



■^ 



r 1.3 



K 



41 



19 



(4 ) 



173 



.40 



K 



19 

 1.42x10 



y 



■34.5 0" 1.35 -(] 2o CO 



40 



- 63 K 



- 2.4 K 



7 1.55 -* 



40 



(5) 



19 

 12 



■I 



25 £> 2.07— *{- 

 75 a" 3.58 



r 1.51 



20 



Ca 



42 



(6) 



21 



65 d 



t 



SC* 6 h94P 0.36 »| 71, 



12 



6 (3 1.49 



Y 0.68 -» 



Tl 



46 



22 



(7) 



52 



Mn -98 6 + 2.66 



25 



21 m 



6,5 d 



>/ -35 (3 0.58 



/ 98 7 0.42 ^ 



•65 K 



(8) 



54 



Mn 



25 



310 d 



100 K •" — 7 0.835 



Cr 



54 



24 



56 



Mn 



25 



2.59 h 



-20 P 0.75 »| - 7 2.06 - 



-30 $~ 1.04 ►[— 7 1,77 



50 p" 2.81 



7 0.822 



56 



Fe 



26 



(9 



26 



Fe \- 50 (3 0.26 



$ 



47 d h 50 £ °- 46 ' 



7 1.30 



— »| — 7 11 — 



59 



Co 



27 



