Problem: Determine the formula unit for the molecule formed when each of the following pairs of ions interact. Capitalization and subscripts are graded.a) Li+ and O2-b) Mg2+ and S2-c) Al3+ and Cl-d) Na+ and N3-

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We are being asked to determine the formula unit for the molecule formed when each of the following pairs of ions interacts.


To solve this, we would criss-cross the charges of each ion and that would be their subscripts in the chemical formula


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Problem Details

Determine the formula unit for the molecule formed when each of the following pairs of ions interact. Capitalization and subscripts are graded.

a) Li+ and O2-

b) Mg2+ and S2-

c) Al3+ and Cl-

d) Na+ and N3-

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Our tutors have indicated that to solve this problem you will need to apply the Writing Ionic Compounds concept. You can view video lessons to learn Writing Ionic Compounds. Or if you need more Writing Ionic Compounds practice, you can also practice Writing Ionic Compounds practice problems.