Radioactivity is the process by which an unstable atomic nucleus loses energy by radiation. It is measured in becquerels (Bq).
1 α = 1 t½
1 t½ = 1 α
Example:
Convert 15 Alpha Particles to Half-life:
15 α = 15 t½
| Alpha Particles | Half-life |
|---|---|
| 0.01 α | 0.01 t½ |
| 0.1 α | 0.1 t½ |
| 1 α | 1 t½ |
| 2 α | 2 t½ |
| 3 α | 3 t½ |
| 5 α | 5 t½ |
| 10 α | 10 t½ |
| 20 α | 20 t½ |
| 30 α | 30 t½ |
| 40 α | 40 t½ |
| 50 α | 50 t½ |
| 60 α | 60 t½ |
| 70 α | 70 t½ |
| 80 α | 80 t½ |
| 90 α | 90 t½ |
| 100 α | 100 t½ |
| 250 α | 250 t½ |
| 500 α | 500 t½ |
| 750 α | 750 t½ |
| 1000 α | 1,000 t½ |
| 10000 α | 10,000 t½ |
| 100000 α | 100,000 t½ |
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