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What is the identity of the element, and how many neutrons does it have? An elements most stable ion forms an ionic compound with chlorine having the formula XCl2. If the ion of element X has a mass of 34 and 18 electrons.



A. Ar, 16 neutrons
B. CA, 14 neutrons
C. Ar, 18 neutrons
D. S, 18 neutrons
E. K, 20 neutrons

This question is part of Chemistry - Semester 1 - Practice Final
Asked by Nickstauffer, Last updated: Sep 13, 2020

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3 Answers

John Adney

John Adney

John Adney
John Adney

Answered Jan 19, 2017

34 minus 18 is 16 not 14
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John Adney

John Adney

John Adney
John Adney

Answered Dec 09, 2016

Ar, 16 neutrons
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John Smith

John Smith

John Smith
John Smith

Answered Nov 04, 2016

Ca, 14 neutrons
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