3 ms·
If the half life is that long, it's not very dangerous as energy / time is very low.
by kvakkefly 6y ago
If the half life is that long, it's not very dangerous as energy / time is very low.
- hinkley 6y agoOnly if the decay product is not itself radioactive. I could alternate between alpha decay and something nastier. And if it’s radium then even alpha decay is a problem because it can be aspirated.