
Concept explainers
Interpretation:
The charge on an arsenic ion needs to be determined.
Concept introduction:
Arsenic (As) is an element of p block with

Answer to Problem 10E
An arsenic ion can have -3 charge.
Explanation of Solution
The outermost electronic configuration of As is [Ar]3d104s24p3. Thus, number of valence(4th orbit) electrons is 5. So arsenic can accept 3 electrons to form ion and to get nearest noble gas configuration. Thus, it will form As3 - ion.
Arsenic ion will have -3 charge. The symbol will be As-3.
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