Write the formula for each of the following binary compounds...

Write the formula for each of the following binary compounds of nonmetallic elements.
a. carbon dioxide
b. sulfur dioxide
c. dinitrogen tetrachloride
d. carbon tetraiodide
e. phosphorus pentafluoride
f. diphosphorus pentoxide

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Key Concepts

Binary Compounds

Binary compounds are chemical substances composed of exactly two different elements. In the context of nonmetallic elements, these compounds are generally covalent in nature, where the atoms share electrons to form molecular bonds. Understanding the concept of binary compounds is essential for writing correct formulas based on the elements involved and their combining ratios.

Molecular Formulas

A molecular formula represents the types and numbers of atoms present in a molecule. When writing the formulas for binary compounds, the molecular formula indicates the specific ratios of the two nonmetal elements, adhering to the rules of combination governed by the law of definite proportions. This ensures that the compound’s composition is expressed accurately.

Covalent Compound Naming Conventions

Covalent compound naming conventions involve using specific prefixes and rules to indicate the number of each type of atom present in the molecule. These conventions often employ prefixes such as mono-, di-, tri-, tetra-, etc., to represent one, two, three, or four atoms, respectively. Mastery of these conventions assists in both deriving the molecular formula from a compound name and communicating the composition effectively.

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