Answer
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Work Step by Step
a. Sodium oxide: Na2O
The formula for sodium oxide is Na2O, where Na represents the sodium atom and O represents the oxygen atom. In this compound, two sodium atoms are bonded to one oxygen atom.
b. Sodium peroxide: Na2O2
The formula for sodium peroxide is Na2O2, where Na represents the sodium atom and O represents the oxygen atom. In this compound, two sodium atoms are bonded to two oxygen atoms.
c. Potassium cyanide: KCN
The formula for potassium cyanide is KCN, where K represents the potassium atom and CN represents the cyanide group.
d. Copper(II) nitrate: Cu(NO3)2
The formula for copper(II) nitrate is Cu(NO3)2, where Cu represents the copper atom and NO3 represents the nitrate group. The Roman numeral (II) indicates that the copper atom has an oxidation state of +2.
e. Selenium tetrabromide: SeBr4
The formula for selenium tetrabromide is SeBr4, where Se represents the selenium atom and Br represents the bromine atoms.
f. Iodous acid: HIO2
The formula for iodous acid is HIO2, where H represents the hydrogen atom, I represents the iodine atom, and O represents the oxygen atoms.
g. Lead(IV) sulfide: PbS2
The formula for lead(IV) sulfide is PbS2, where Pb represents the lead atom and S represents the sulfur atoms. The Roman numeral (IV) indicates that the lead atom has an oxidation state of +4.
h. Copper(I) chloride: CuCl
The formula for copper(I) chloride is CuCl, where Cu represents the copper atom and Cl represents the chlorine atom. The Roman numeral (I) indicates that the copper atom has an oxidation state of +1.
i. Gallium arsenide: GaAs
The formula for gallium arsenide is GaAs, where Ga represents the gallium atom and As represents the arsenic atom.
j. Cadmium selenide: CdSe
The formula for cadmium selenide is CdSe, where Cd represents the cadmium atom and Se represents the selenium atom.
k. Zinc sulfide: ZnS
The formula for zinc sulfide is ZnS, where Zn represents the zinc atom and S represents the sulfur atom.
l. Nitrous acid: HNO2
The formula for nitrous acid is HNO2, where H represents the hydrogen atom, N represents the nitrogen atom, and O represents the oxygen atoms.
m. Diphosphorus pentoxide: P2O5
The formula for diphosphorus pentoxide is P2O5, where P represents the phosphorus atoms and O represents the oxygen atoms.
