Homework Help: Chemistry

Posted by Lauren on Wednesday, November 16, 2011 at 4:11pm.

Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair.

Ion K+ NH+4 Mg2+ Fe3+

Cl-
OH-
CO3 2-
PO3- 4

Complete the fourth row of the table.

Chemistry - DrBob222, Wednesday, November 16, 2011 at 4:51pm
As you can see you can't show spaces. Is this what you mean?
K^+......NH4^+......Mg^2+ ......Fe^3+

KCl.....NH4Cl......MgCl2.......FeCl3
KOH.....NH3(aq)....Mg(OH)2.....Fe(OH)3
etc. This is how you do it. What is it you don't understand?

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