(c)Magnesium nitride is also an ionic compound. Draw a dot-and-cross diagram which
shows its formula, the charges on the ions and the arrangement of the valence
electrons around the negative ion.
Use x to represent an electron from a magnesium atom.
Use o to represent an electron from a nitrogen atom.
2. Calculate the percent composition of ammonium nitrate, NH4NO3
.
(Calculate the % by mass of each element in ammonium nitrate.)
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(c)Magnesium nitride is also an ionic compound. Draw a dot-and-cross diagram which
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