Question

What are the known isotopes of Arsenic and Tron, and their half lifes?

Answer 1

68As 67.9368 2.53 m EC to 68Ge 3
69As 68.93228 15.2 m EC to 69Ge 5/2 1.2
70As 69.93093 52.6 m EC to 70Ge 4 2.1061
71As 70.927114 2.72 d EC to 71Ge 5/2 1.6735
72As 71.926753 26.0 h EC to 72Ge 2 -2.1566
73As 72.923825 80.3 d EC to 73Ge 3/2
74As 73.923829 17.78 d β- to 74Se; EC to 74Ge 2 -1.597
76As 75.922394 26.3 h β- to 76Se 2 -0.906
77As 76.920648 38.8 h β- to 77Se 3/2
78As 77.92183 1.512 h β- to 78Se 2
79As 78.92095 9.0 m β- to 79Se 3/2

Answer 2

second column is half-life

Answer 3

um.....I can't tell where the columns end

Answer 4

LOL

Answer 5

Tron? like the Disney movie??

Answer 6

Iron sorry

Answer 7

Typo!

Answer 8

Jess...I have no vitamins to give you! :P

Answer 9

Now delete that!

Answer 10

68 As 2.53 m
69 As 15.2 ,
70As 52.6 m
71As 2.72 d
72As 26.0 h
73As 80.3 d
74 As 17.78 d
76 As 26.3 h
77 As 38.8 h
78 As 1.512 h
79 As 9.0 m

Answer 11

Okay thanks, what about Iron?

Answer 12

52Fe 8.28 h
53Fe 8.51 m
55Fe 2.73 y
59Fe 44.51 d
60Fe 1.5 x 10^6 y
61Fe 6.0 m
62Fe 68 s

Answer 13

Thanks, what about half lives of Oxygen and Helium isotopes?

Answer 14

And where are you getting all this??? I've searched everywhere!

Answer 15

webelements.com

Answer 16

Okay thanks.