Sec. 7.12] 



SEABORG AND PERLMAN TABLE OF ISOTOPES 



191 



Isotope 

 Z A 



15 P 29 



P30 



P31 

 P32 



P34 



16 S31 



S32 



S33 



S36 



S36 

 S3? 



17 CI" 



CI" 



C135 



Class 



A 



D 



A 



A 

 A 



Per cent 

 abundance 



100 



95 . 06 

 0.74 



4. 18 



016 



75.4 



Type of 

 radiation 



P , y 



P + , y 



Half-life 



4.6 sec 



2.55 min 



14.30 days; 

 14.07 days 



12.4 sec 



2.6 sec; 

 3.2 sec 



87.1 days 



Energy of radiation, Mev 



Particles 



5.04 min; 

 5.0 min 



2.4 sec; 



2.8 sec. 

 33 min 



3.63 cl.ch. 



3.0 cl.ch.; 

 3.5 spect. 



1.712 spect.; 

 1.69 spect. 



5.1(75%), 

 3.2(25%) 

 coincid. 

 abs.; 4.9 

 abs. Al 



3.85 cl.ch. 



0.169 spect.; 

 0.167 abs. 

 Al; 0.166 

 spect.; 

 0.17 abs. 

 Al 



4.3(10%), 

 1.6(90%); 

 4, 1.4 

 abs. Al 



4.13 cl.ch. 



2.5 abs.; 

 5.1, 2.4 

 cl.ch. 



7-rays 



No 7 



2.6 abs.; 

 2.75 abs. 

 sec. e~ 



3.4 cl.ch. 

 recoil 



Produced 

 by 



Si-p-n 

 Si-d-n 

 P-7-2w(?) 



Al-a-n 



Si-p-n 



Si-He'-p 



P-n-2n 



P-7-n 



S-d-a 



Si-a-p 



V-d-p 



P-K-7 



S-n-p 



S-d-a 



Cl-n-a 



Cl-d-pa 



Cu-d-15z33a 



S-n-p 



Cl-n-a 



Si-a-n 

 P-p-n 

 S-7-n 



S-n-7 

 S-d-p 

 Cl-n-p 

 Cl-d-ct 



S-n-7 

 C\-n-p 



S-d-n 

 S-p-n 

 P-a-n 

 S-d-n 



S-a-p,n or 

 S-a-d 



S-t-n 



C1-H-2K 

 Cl-7-» 



