Chapter 4

Write the formulas of (a) magnesium \(\omega\) xide (magnesia); (b) calcium phosphate (the major inorganic componcnt of bones); (c) aluminum sulfate; (d) calcium nitride.

Write the formulas of (a) potassium hydroxide; (b) barium sulfate; (c) silver chlonide; (d) cupric chloride.

The following ionic compounds are commonly found in laboratories. Write their modem names. (a) \(\mathrm{NaHCO}_{3}\) (baking soda); (b) \(\mathrm{Hg}_{2} \mathrm{Cl}_{2}\) (calomel); (c) \(\mathrm{NaOH}\) (lye); (d) \(\mathrm{ZnO}\) (calamine).

Write the formulas of (a) selenium trioxide; (b) carbon tetrachloride; (c) carbon disulfide; (d) sulfur hexafluoride; (e) diarsenic trisulfide; (f) phosphorus pentachloride; (g) dinitrogen oxide; (h) chlorine trifluoride.

Name the molecular compounds (a) \(\mathrm{SF}_{4}\); (b) \(\mathrm{N}_{2} \mathrm{O}_{5} ;\) (c) \(\mathrm{NI}_{3}\); (d) \(\mathrm{XeF}_{4 i}\) (c) \(\mathrm{AsBr}_{3} ;\) (f) \(\mathrm{ClO}_{2}\).

The following compounds are often found in chemical laboratories. Name each compound. (a) \(\mathrm{SiO}_{2}\) (silica); (b) \(\mathrm{SiC}\) (carborundum); (c) \(\mathrm{N}_{2} \mathrm{O}\) (a general anesthetic); (d) \(\mathrm{P}_{4} \mathrm{O}_{10}\) (a drying agent for organic solvents); (c) \(\mathrm{CS}_{2}\) (a solvent); (f) \(\mathrm{SO}_{2}\) (a bleaching agent); (g) \(\mathrm{NH}_{3}\) (a common reagent).

The following aqueous solutions are common laboratory acids. What are their names? (a) HCl(aq); (b) \(\mathrm{H}_{2} \mathrm{SO}_{4}(\mathrm{aq}) ;\) (c) \(\mathrm{HNO}_{3}\) (aq); (d) \(\mathrm{CH}_{3} \mathrm{COOH}\) (aq); (e) \(\mathrm{H}_{2} \mathrm{SO}_{3}\) (aq); (f) \(\mathrm{H}_{3} \mathrm{PO}_{4}\) (aq).

The following acids are also used in chemical laboratorics, although they are less common than those in the preceding exercise. Write the formulas of (a) perchloric acid; (b) hypochlorous acid; (c) hypoiodous acid; (d) hydrofluoric acid; (c) phosphorous acid; (f) periodic acid.

Write formulas for the ionic compounds formed from (a) sodium and oxide ions; (b) potassium and sulfate ions; (c) silver and fluonide ions; (d) zinc and nitrate ions; (e) aluminum and sulfide ions.

Write formulas for the ionic compounds formed from (a) calcium and chloride ions; (b) iron(III) and sulfate ions; (c) ammonium and iodide ions; (d) lithium and sulfide ions; (e) calcium and phosphide ions.

Name the compounds (a) \(\mathrm{Ag}_{2} \mathrm{~S}\); (b) \(\mathrm{ZnC}_{2}\); (c) \(\mathrm{CF}_{3} ;\) (d) \(\mathrm{Mg}(\mathrm{OH})_{2} ;\) (c) \(\mathrm{NiSO}_{4} \cdot 6 \mathrm{H}_{2} \mathrm{O} ;\) (f) \(\mathrm{PCl}_{5} ;\) (g) \(\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{PO}_{4}\right)_{3}\); (h) \(\mathrm{As}_{2} \mathrm{O}_{3}\); (i) \(\mathrm{MnCl}_{2}\).

Write formulas for (a) ammonium sulfite; (b) ferric oxide; (c) copper(II) hromate; (d) phosphine; (e) calcium bicarbonate; (f) hydrogen cyanidc; (g) lithium bisulfate; (h) selenium tetrafluoride; (i) iron(II) sulfate heptahydrate.

Write formulas for (a) aluminum phosphate; (b) barium nitrate dihydrate; (c) silicon disulfide; (d) sodium phosphide; (e) perchloric acid; (f) copper(II) oxide; (g) hydroiodic acid; (h) silver(l) sulfate.