logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

An ion with 18 electrons in the outermost shell is :

$\begin{array}{1 1}(a)\;K^+&(b)\;Cu^+\\(c)\;Cs^+&(d)\;Th^{4+}\end{array}$

Can you answer this question?
 
 

1 Answer

0 votes
$Cu^+$ has $1s^2,2s^22p^6,3s^23p^63d^{10}$ configuration.
Hence (b) is the correct answer.
answered Jan 13, 2014 by sreemathi.v
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...