CBSE Class 11-science Answered
in my question I have asked about Rb86 and you have given wrong answer
Asked by Jayaprakash | 17 Oct, 2012, 10:46: PM
Expert Answer
which of the following species is isotonic with 37^Rb ^86
1)38 sr 87
2)36Kr 84
3)38 Y 89
4)37Rb85
and what the word meaning isotonic
In Rb-86, there are protons = 37 and neutrons = 49
In Sr, P = 38, N= 49
In Y, P = 39, N = 51
In Kr, P= 36, N= 48
Rb-85, P = 36, N = 48
Isotonic species are atoms or ions that have the same number of neutrons. So, Rb is isotonic with Stroncium. (Rb-86 and Rb-85 are isotopes)
Answered by | 18 Oct, 2012, 12:41: PM
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