Multiple Choice
An element's most stable ion forms an ionic compound with chlorine having the formula XCl2.If the ion of element X has a mass number of 89 and 36 electrons,what is the identity of the element X,and how many neutrons does it have?
A) Kr,53 neutrons
B) Kr,55 neutrons
C) Se,55 neutrons
D) Sr,51 neutrons
E) Rb,52 neutrons
Correct Answer:
Verified
Correct Answer:
Verified
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