A) Chlorine
B) Sodium
C) Rubidium
D) Xenon
Correct Answer: C
Solution :
\[Kr\] has \[36\] electrons. \[Rb\] has \[37\] electrons but when it forms \[R{{b}^{+}}\] (it is a Group I element), there are only \[36\] electrons.You need to login to perform this action.
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