Wednesday
December 11, 2013

# Homework Help: chemistry

Posted by Anonymous on Monday, September 13, 2010 at 3:11pm.

Write formulas for the compounds that form from {\rm Rb} and each of the following polyatomic ion: {\rm NO}_{3}^{-}, {\rm SO}_{4}^{2-}, {\rm PO}_{4}^{3-}.

• chemistry - DrBob222, Monday, September 13, 2010 at 3:55pm

You really need to look at your posts. They don't make sense to me because of the various symbols used. Using {\rm and_ along with } is confusing unless we know what those symbols mean.
Apparently you want the formula for rubidium nitrate. RbNO3.
rubidium sulfate. Rb2SO4. We CAN write subscripts and superscripts on the board but it is too much trouble to do; therefore, we understand that Rb2SO4 means the 2 and 4 are subscripts.
rubidium phosphate is Rb3PO4.

• chemistry - Anonymous, Monday, October 21, 2013 at 7:52pm

Write the name of $${\rm CrPO}_{4}$$

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