Atoms, Molecules, and Ions

Question: Write the formulas of the following compounds: 

(a) barium chloride 

(b) magnesium nitride 

(c) sulfur dioxide 

(d) nitrogen trichloride 

(e) dinitrogen trioxide 

(f) tin(IV) chloride

Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:

a. Cr₂O₃

b. FeCl₂

c. CrO₃

d.  TiCl₄

e.CoO

f. MoS₂

Each of the following compounds contains a metal that can exhibit more than one ionic charge. Name these compounds:

a. NiCO₃

b. MoO₃

c.Co(NO₃)₂

d. V₂O₅

e. MnO₂

f. Fe₂O₃

The following compounds are found in common household products. Write the formulas for each compound:

a. Potassium Phosphate

b. Copper (II) sulfate

c. Calcium Chloride

d. Titanium (IV) Dioxide

e. Ammonium nitrate

f. Sodium bisulfate (the common name for sodium hydrogen sulfate)

The following compounds are found in common household products. Name each of these compounds:

a. Ca(H₃PO₄)₂

b. FeSO₄

c. CaCO₃

d. MgO

e. NaNO₂

f. KI

What are the IUPAC names of the following compounds? 

1. Manganese dioxide
2. Mercurous chloride (Hg₂Cl₂)
3.  Ferric nitrate [Fe(NO₃)₃]
4. Titanium Tetrachloride
5.  Cupric bromide (CuBr₂)

Repeat Exercise 2.20 using an element that has three naturally occurring isotopes.

Explain why the symbol for element sulfur and the formula for a molecule of sulfur differ.

Write the molecular and empirical formulas of the following compounds:\(\begin{aligned}{\underline{\phantom{xx}}}a)O = C = O\\b)H - C \equiv C - H\end{aligned}\) 

c)

(d) 

Using the periodic table, classify each of the following elements as a metal or a nonmetal, and then further classify each as a main-group (representative) element, transition metal, or inner transition metal:

(a) cobalt 

(b) europium

(c) iodine

(d) indium

(e) lithium 

(f) oxygen

(h) cadmium 

(i) terbium 

(j) rhenium