Radionuclides

Question 1

Ga-67

Answer 1

Gallium
Half-Life = 78h
Energy = 93, 185, 300 keV

Question 2

In-111

Answer 2

Indium
Half-life = 68 h
Energy = 172, 247 keV

Question 3

I-123

Answer 3

Iodine
Half-life = 13.2 h
Energy = 159 keV

Question 4

I-125

Answer 4

Iodine
Half-life = 60 d
Energy = 35 keV

Question 5

I-131

Answer 5

Iodine
Half-life = 8 d
Energy = 364 keV

Question 6

Mo-99

Answer 6

Molybdenum
Half-life = 66 h
Energy = 181, ~ 750 keV

Question 7

Tc-99m

Answer 7

Technetium
Half-life = 6.02 h
Energy = 140 keV

Question 8

Tl-201

Answer 8

Thallium
Half-life = 73 h
Energy = 70 keV

Question 9

Xe-133

Answer 9

Xenon
Half-life = 5.3 d
Energy = 81 keV

Question 10

C-11

Answer 10

Carbon
Half-life = 20 m
Energy = 511 keV

Question 11

N-13

Answer 11

Nitrogen
Half-life = 10 m
Energy = 511 keV

Question 12

Sr-82

Answer 12

Strontium
Half-life = 25.6 d
Energy = 511 keV

Question 13

O-15

Answer 13

Oxygen
Half-life = 2.1 m
Energy = 511 keV

Question 14

Ga-68

Answer 14

Gallium
Half-life = 68 m
Energy = 511 keV

Question 15

F-18

Answer 15

Florine
Half-life = 110m
Energy = 511 keV

Question 16

Rb-82

Answer 16

Rubidium
Half-life = 1.3 min
Energy = 511 keV

Question 17

Cu-64

Answer 17

Copper
Half-life = 12.7 h
Energy = 511 keV

Question 18

Co-57

Answer 18

Cobalt
Half-life = 270 d
Energy = 122 keV

Question 19

Ge-68

Answer 19

Germanium
Half-life = 271 d
Energy = 511

Question 20

Ba-133m

Answer 20

Barium
Half-life = 10.6 y
Energy = 79, 343

Question 21

Y-90

Answer 21

Yttrium
Half-life = 64.1 h
Energy = 940 keV

Question 22

Cs-137

Answer 22

Cesium
Half-life = 30 y
Energy = 662 keV

Question 23

Ra-223

Answer 23

Radium
Half-life = 11.4 d
Energy = 5.0-7.5 MeV (alpha) / 445 and 492 keV (beta)

Question 24

Lu-177

Answer 24

Lutetium
Half-life = 6.6 d
Energy = 497, 384, 176 keV (beta), 208, 113 keV (gamma)