Help on 3.25  [ENDORSED]

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Amanda Cardenas 1J
Posts: 30
Joined: Thu Feb 01, 2018 3:00 am

Help on 3.25

Postby Amanda Cardenas 1J » Wed May 30, 2018 2:53 pm

I need help with parts b, d, and e of 3.25.
3.25: On the basis of the expected charges on the monoatomic ions, give the chemical formula of each of the following compounds:
b) indium(III)
d) hydrogen telluride
e) bismuth(III) floride

Jessica Urzua-1H
Posts: 37
Joined: Tue Nov 14, 2017 3:01 am

Re: Help on 3.25

Postby Jessica Urzua-1H » Wed May 30, 2018 3:20 pm

To figure out the chemical formula, I usually pay attention to the suffixes and the Roman numerals of the compounds being named.
b) indium(III) sulfide = In2S3
d) hydrogen telluride = H2Te
e) bismuth(III) floride = BiF3

Tarek Abushamma
Posts: 30
Joined: Fri Apr 06, 2018 11:01 am

Re: Help on 3.25  [ENDORSED]

Postby Tarek Abushamma » Sun Jun 03, 2018 2:13 pm

Keep in mind that the roman numerals indicate of the charge of the element. Ex: bismuth(III) has a +3 charge.

John Miller-1I
Posts: 29
Joined: Fri Apr 06, 2018 11:04 am

Re: Help on 3.25

Postby John Miller-1I » Sun Jun 03, 2018 9:47 pm

I agree that the best way to start is by looking at the roman numerals for charge

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