Asked by Anonymous
Which element has no stable isotopes?
1. (subscript)27 Co
2. (subscript)51 Sb
3. (subscript)90 Th
4. (subscript)82 Pb
I believe it's either 2 or 3, but I can't decide which. I'm not sure how to go about answering this question, how can you tell which have stable isotopes and which don't?
1. (subscript)27 Co
2. (subscript)51 Sb
3. (subscript)90 Th
4. (subscript)82 Pb
I believe it's either 2 or 3, but I can't decide which. I'm not sure how to go about answering this question, how can you tell which have stable isotopes and which don't?
Answers
Answered by
DrBob222
Personally, I think this is a very poor question; however, here is a chart.
http://en.wikipedia.org/wiki/Isotope_table_(divided)
http://en.wikipedia.org/wiki/Isotope_table_(divided)
Answered by
PC
The elements mentioned on the list have 0,1,2 and 4 stable isotopes, but NOT in order.
You only have to browse through articles on stable isotopes to find out which one you need. For example, Google "stable isotope", the Wiki article provides a complete list.
You only have to browse through articles on stable isotopes to find out which one you need. For example, Google "stable isotope", the Wiki article provides a complete list.
Answered by
PC
The answer will also explain why we don't see compounds of that element in the chemistry lab. Unstable isotopes are radioactive!
Answered by
DrBob222
http://en.wikipedia.org/wiki/Stable_isotope
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