Question

Write formulas for the following compounds.
a. Sodium oxide
b. Sodium peroxide
c. Potassium cyanide
d. Copper (ll) nitrate
e. Silicon tetrachloride
f. Lead (II) oxide
g. Lead(IV) oxide (common name lead dioxide)

h. Copper (I) chloride

i. Gallium arsenide

j. Gallium seleide

k. Zinc sulphide

i. Mercury (I) chloride

m. Nitrous acid

n. Diphosphorous pentoxide

Short answer

The formulas for the given compounds can be found.

Step-by-step solution

Formula for the compound sodium oxide

In this compound, there is two sodium atoms. The name of the compound is$N{a}_{2}O$.

Formula for the compound sodium peroxide

In this compound, there is two sodium and tow oxygen atoms. The name of the compound is$N{a}_2{O}_2$.

Formula for the compound potassium cyanide

In this compound, it is an ionic compound. The name of the compound is$KCN$.

Formula for the compound Copper (ll) nitrate

In this compound, there is two sodium atoms. The name of the compound is$Cu{\left(N{O}_3\right)}_2$.

Formula for the compound Silicon tetrachloride

In this compound, there is four chloride atoms. The name of the compound is$SiC{l}_4$.

Formula for the compound Lead (II) oxide

In this compound, there is four chloride atoms. The name of the compound is$PbO$.

Formula for the compound Lead (IV) oxide

In this compound, there is oxide atoms. The name of the compound is $Pb{O}_2$.

Formula for the compound Copper (I) chloride

In this compound, it consists of copper and chloride atoms. The name of the compound is $CuCl$.

Formula for the compound Gallium arsenide

In this compound, there both atoms are present. The name of the compound is$GaAs$.

Formula for the compound Cadmium selenide

In this compound, there is both atoms are present. The name of the compound is$CdSe$.

Formula for the compound Zinc Sulfide

In this compound, there both atoms are present. The name of the compound is$ZnS$.

Formula for the compound mercury (I) sulfide

In this compound, there both atoms are present. The name of the compound is$H{g}_{2}S$.

Formula for the compound Nitrous acid

In this compound, there is one hydrogen, one nitrogen and two oxygen atoms. The name of the compound is$HN{O}_2$.

Formula for the compound Diphosphorous pentoxide

In this compound, this only contain non-metals with prefix of di-2 and pent-5. The name of the compound is$P_2{O}_5$.