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?
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.
2 answers
What would the last two be?