Homework 2A23 Help

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DTingey_1C
Posts: 55
Joined: Fri Aug 30, 2019 12:16 am

Homework 2A23 Help

Postby DTingey_1C » Mon Oct 28, 2019 8:20 pm

How do you do B for this problem:

On the basis of the expected charges of the monatomic ions, give the chemical formula of each of the following compounds:

B: Indium (III) sufide

Jasmine Vallarta 2L
Posts: 102
Joined: Sat Aug 17, 2019 12:18 am

Re: Homework 2A23 Help

Postby Jasmine Vallarta 2L » Mon Oct 28, 2019 8:29 pm

In2S3

Rachel Yu 1G
Posts: 113
Joined: Fri Aug 09, 2019 12:15 am

Re: Homework 2A23 Help

Postby Rachel Yu 1G » Mon Oct 28, 2019 9:31 pm

Indium(III) Sulfide results from indium and sulfur ions, which are In3+ and S2-. However, you want the charges to equal 0 to satisfy the octet rule. By having 2 In3+ and 3 S2-, the 6+ and 6- charge results in a neutral charge, giving us In2S3 as the chemical formula.


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