Problem 84
Consider the balanced equation for the combustion of hexane, a component of gasoline: $$ 2 \mathrm{C}_{6} \mathrm{H}_{14}+19 \mathrm{O}_{2} \longrightarrow 12 \mathrm{CO}_{2}+14 \mathrm{H}_{2} \mathrm{O} $$ (a) How many atoms of \(\mathrm{C}\) are on each side of the equation? (b) How many atoms of \(\mathrm{H}\) are on each side of the equation? (c) How many atoms of \(\mathrm{O}\) are on each side of the equation?
Problem 89
Use the periodic table, but not Table \(2.2,\) to write the (b) Br, (c) \(\mathrm{Mg},\) (d) \(\mathrm{S},\) and symbols for the ions of (a) \(\mathrm{K}\) (e) Al.
Problem 90
Use the periodic table, but not Table \(2.2,\) to write the symbols for ions of (a) barium, (b) oxygen, (c) fluorine, (d) strontium, and (e) rubidium.
Problem 91
Write formulas for ionic compounds formed between (a) \(\mathrm{Na}\) and \(\mathrm{Br}\), (b) \(\mathrm{K}\) and \(\mathrm{I},(\mathbf{c}) \mathrm{Ba}\) and \(\mathrm{O},\) (d) \(\mathrm{Mg}\) and \(\mathrm{Br}\), (e) \(\mathrm{Al}\) and \(\mathrm{S},\) and \((\mathbf{f}) \mathrm{Ba}\) and \(\mathrm{F}\)
Problem 92
Write formulas for ionic compounds formed between (a) \(\mathrm{Al}\) and \(\mathrm{Br},\) (b) \(\mathrm{Rb}\) and \(\mathrm{I},\) (c) \(\mathrm{Sr}\) and \(\mathrm{S}\), (d) \(\mathrm{Mg}\) and \(\mathrm{N}\), (e) Ga and \(\mathrm{O},\) and \((\mathbf{f}) \mathrm{Sr}\) and \(\mathrm{F}\)
Problem 95
Write formulas for the ionic compounds formed from (a) \(\mathrm{K}^{+}\) and nitrate ion, (b) \(\mathrm{Ca}^{2+}\) and acetate ion, (c) ammonium ion and \(\mathrm{Cl}^{-},\) (d) \(\mathrm{Fe}^{3+}\) and carbonate ion, and (e) \(\mathrm{Mg}^{2+}\) and phosphate ion.
Problem 96
Write formulas for the ionic compounds formed from (a) \(\mathrm{Zn}^{2+}\) and hydroxide ion, (b) \(\mathrm{Ag}^{+}\) and chromate ion, (c) \(\mathrm{Ba}^{2+}\) and sulfite ion, (d) \(\mathrm{Rb}^{+}\) and sulfate ion, and (e) \(\mathrm{Li}^{+}\) and bicarbonate ion.
Problem 98
Write formulas for the ionic compounds formed from \(\mathrm{Cl}^{-}\) and (a) cadmium ion, (b) silver ion, (c) zinc ion, and (d) nickel ion.
Problem 99
Name the following ionic compounds: (a) CaS, (b) AlBr, (c) \(\mathrm{Na}_{3} \mathrm{P}\) (d) \(\mathrm{Ba}_{3} \mathrm{As}_{2}\) (e) \(\mathrm{Rb}_{2} \mathrm{~S}\).
Problem 100
Name the following ionic compounds: (a) \(\mathrm{NaF},\) (b) \(\mathrm{Mg}_{2} \mathrm{C}\) (c) \(\mathrm{Li}_{3} \mathrm{~N}\) (d) \(\mathrm{Al}_{2} \mathrm{O}_{3}\) (e) \(\mathrm{K}_{2} \mathrm{Se}\)
