Chemistry, 18.03.2021 02:50 jtgarner402
(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.
[3]
2. Calculate the percent composition of ammonium nitrate, NH4NO3
.
(Calculate the % by mass of each element in ammonium nitrate.)
Answers: 2
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Calculate the change in entropy if br2(l) is converted to br2(g). s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)
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the mississippians were considered to be horticulturalists, which means they were
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(c)Magnesium nitride is also an ionic compound. Draw a dot-and-cross diagram which
shows its formul...
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