export_radioactivity of a normal adult body Flashcards
1
Q
Mass Number of Radioactive Potassium?
A
40
2
Q
Mass Number of Radioactive Carbon?
A
14
3
Q
Mass Number of Radioactive Rubidium?
A
87
4
Q
Mass Number of Radioactive Lead?
A
210
5
Q
Mass Number of Radioactive Uranium?
A
238
6
Q
Mass Number of Radioactive Radium?
A
228 and 226
7
Q
Half life of K40
A
1.26 x 109
8
Q
Half life of C14
A
5,730 Years
9
Q
Half life of Rb87
A
4.9 x 1010
10
Q
Half life of Pb210
A
22.3 Years
11
Q
Half life of H3
A
12.43 Years
12
Q
Half life of U238
A
4.46 x 109
13
Q
Half life of Ra 228
A
5.76 Years
14
Q
Half life of Ra 226
A
1,620 Years
15
Q
Isotope Mass of K40
A
0.0165 g
