9.3 Naming Molecular Compounds
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Questions and Answers

Binary molecular compounds are composed of two ______ elements

nonmetallic

The name of this type of compound ends in ______

-ide

Prefixes are used to show how many ______ of each element are present in a molecule of the compound

atoms

What is the name of As2S5?

<p>diarsenic pentasulfide</p> Signup and view all the answers

Binary molecular compounds contain Carbon.

<p>True (A)</p> Signup and view all the answers

Charges must be balanced when writing formulas for molecular compounds.

<p>False (B)</p> Signup and view all the answers

CO2 is named monocarbon dioxide.

<p>False (B)</p> Signup and view all the answers

What is the definition of Binary Molecular Compound?

<p>D</p> Signup and view all the answers

What is the definition of Prefix?

<p>A</p> Signup and view all the answers

What does Mono- mean?

<p>B</p> Signup and view all the answers

What does Tetra- mean?

<p>C</p> Signup and view all the answers

What is the name of the compound PCI5?

<p>Phosphorus pentachloride</p> Signup and view all the answers

What is the name of SO2?

<p>sulfur dioxide</p> Signup and view all the answers

What is the name of P4S10?

<p>phosphorus decasulfide</p> Signup and view all the answers

What is the molecular formula for Carbon tetrabromide?

<p>CBr4</p> Signup and view all the answers

What is the molecular formula for Dinitrogen tetroxide?

<p>N2O4</p> Signup and view all the answers

Flashcards

Binary molecular compound elements

Binary molecular compounds are composed of two nonmetal elements.

Binary molecular compound name ending

The name of a binary molecular compound ends in -ide.

Prefix use in binary molecular compounds

Prefixes in binary molecular compound names indicate the number of atoms of each element.

As2S5 name

Diarsenic pentasulfide.

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Binary molecular compounds contain Carbon

True.

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Charges in molecular compounds

False. Charges are not balanced in molecular compounds.

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CO2 name

Carbon dioxide.

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Binary molecular compound definition

A compound composed of two nonmetals.

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Prefix definition

A prefix is a word part added to the beginning of a word to modify its meaning.

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Mono- prefix meaning

One.

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Tetra- prefix meaning

Four.

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PCI5 name

Phosphorus pentachloride.

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SO2 name

Sulfur dioxide.

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P4S10 name

Phosphorus decasulfide.

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Carbon tetrabromide formula

CBr4.

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Dinitrogen tetroxide formula

N2O4.

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Study Notes

Naming Binary Molecular Compounds

  • Composed of two nonmetallic elements.
  • Names typically end in -ide.

Use of Prefixes

  • Prefixes indicate the number of atoms for each element in the compound.
  • Common prefixes include:
    • Mono- (1)
    • Di- (2)
    • Tri- (3)
    • Tetra- (4)
    • Penta- (5)

Example Compounds

  • As2S5 is named diarsenic pentasulfide.
  • CO2 is correctly named carbon dioxide, not monocarbon dioxide.
  • PCl5 is referred to as phosphorus pentachloride.
  • SO2 is known as sulfur dioxide.
  • P4S10 is called phosphorus decasulfide.
  • CBr4 is identified as carbon tetrabromide.
  • N2O4 is named dinitrogen tetroxide.

Characteristics of Binary Molecular Compounds

  • Carbon is often a component of binary molecular compounds.

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Description

Test your knowledge of naming and writing formulas for binary molecular compounds with this set of flashcards. Learn key terminology and concepts such as element composition, naming conventions, and the use of prefixes in chemical nomenclature.

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