IX. Isotopes Flashcards
1
Q
Half-life: Rubidium 87-Strontium 87
A
48.8 BY
2
Q
Half-life: Throrium 232-Lead 208
A
14 B.Y.
3
Q
Half-life: Uranium 238-Lead 206
A
4.47 B.Y.
4
Q
Half-life: Potassium 40-Argon 40
A
1.25 BY
5
Q
Half-life: Uranium 235-Lead 207
A
704 MY
6
Q
Half-life: Carbon 14-Nitrogen 14
A
5730 years
7
Q
Dating Range: Rubidium 87-Strontium 87
A
10 my-4.6 by
8
Q
Dating Range: Thorium 232-Lead 208
A
10 my-4.6 by
9
Q
Dating Range: Uranium 238-Lead 206
A
10 my-4.6 by
10
Q
Dating Range: Potassium 40-Argon 40
A
50,000-4.6 by
11
Q
Dating Range: Uranium 235-Lead 207
A
10 my-4.6 by
