Naming Ionic Compounds Video Lessons

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Problem: An element forms an ionic compound with chlorine, leading to a compound having the formula XCl2. The ion of element X has mass number 89 and 36 electrons. Identify the element X, tell how many neutrons it has, and name the compound.

FREE Expert Solution

We’re being asked to determine the atomic number of an atom that has a mass number of 27 and 14 neutrons

Recall: an element can be represented as:


You can determine the identity of the element using its atomic number:

Atomic number (Z): 


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Problem Details

An element forms an ionic compound with chlorine, leading to a compound having the formula XCl2. The ion of element X has mass number 89 and 36 electrons. Identify the element X, tell how many neutrons it has, and name the compound.

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