Chemistry Chapter 5 - Covalent Compounds
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Questions and Answers

What is the name of a compound formed by 2 or more nonmetals?

Molecular compound

What is the force of attraction between two atoms when they share electrons?

Covalent Bond

What is the shorthand notation that informs the number of atoms for each element in a molecule?

Molecular formula

What is the name for a neutral group of atoms formed by covalent bonding?

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

What type of compound is CoO2?

<p>Ionic Compound</p> Signup and view all the answers

What type of compound is CO2?

<p>Molecular Compound</p> Signup and view all the answers

What type of compound is CO2?

<p>Covalent compound</p> Signup and view all the answers

What type of compound is NaBr?

<p>Ionic compound</p> Signup and view all the answers

What is the name of the compound: BCl3?

<p>Boron trichloride</p> Signup and view all the answers

What is the name of the compound: CCl4?

<p>Carbon tetrachloride</p> Signup and view all the answers

What is the name of the compound: P2O5?

<p>Diphosphorus pentoxide</p> Signup and view all the answers

What is the name of the compound: S2F10?

<p>Disulfur decafluoride</p> Signup and view all the answers

What is the name of the compound: HClO3?

<p>Chloric acid</p> Signup and view all the answers

What is the name of the compound: HF?

<p>Hydrofluoric acid</p> Signup and view all the answers

What is the name of the compound: Cl2O?

<p>Dichlorine monoxide</p> Signup and view all the answers

What is the name of the compound: H2S?

<p>Hydrosulfuric acid</p> Signup and view all the answers

What is the name of the compound: N2O?

<p>Dinitrogen monoxide</p> Signup and view all the answers

What is the name of the compound: HNO3?

<p>Nitric acid</p> Signup and view all the answers

What is the name of the compound: N2H4?

<p>Dinitrogen tetrahydride</p> Signup and view all the answers

What is the name of the compound: PI3?

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

What is the name of the compound: OCl2?

<p>Oxygen dichloride</p> Signup and view all the answers

What is the name of the compound: H2Se?

<p>Hydroselenic acid</p> Signup and view all the answers

What is the name of the compound: H3As?

<p>Hydroarsenic acid</p> Signup and view all the answers

What is the name of the compound: Cl2O7?

<p>Dichlorine heptoxide</p> Signup and view all the answers

What is the chemical formula for silicon tetrachloride?

<p>SiCl4</p> Signup and view all the answers

What is the chemical formula for hydrobromic acid?

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

What is the chemical formula for silicon dioxide?

<p>SiO2</p> Signup and view all the answers

What is the chemical formula for sulfuric acid?

<p>H2SO4</p> Signup and view all the answers

What is the chemical formula for nitrogen trihydride?

<p>NH3</p> Signup and view all the answers

What is the prefix used for 1 atom of an element in a molecule?

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

What is the prefix used for 2 atoms of an element in a molecule?

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

What is the prefix used for 3 atoms of an element in a molecule?

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

What is the prefix used for 4 atoms of an element in a molecule?

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

What is the prefix used for 5 atoms of an element in a molecule?

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

What is the prefix used for 6 atoms of an element in a molecule?

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

What is the prefix used for 7 atoms of an element in a molecule?

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

What is the prefix used for 8 atoms of an element in a molecule?

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

What is the prefix used for 9 atoms of an element in a molecule?

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

What is the prefix used for 10 atoms of an element in a molecule?

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

Study Notes

Covalent Compounds Overview

  • Compounds formed by two or more nonmetals are called molecular compounds.
  • Covalent bonds occur when atoms share electrons, creating a force of attraction between them.
  • A molecular formula provides shorthand notation that indicates the number of atoms of each element in a molecule.
  • A molecule is a neutral group of atoms formed through covalent bonding.

Types of Compounds

  • Ionic compounds involve the transfer of electrons between metals and nonmetals (e.g., CoO2, NaBr).
  • Molecular compounds (or covalent compounds) involve sharing electrons between nonmetals (e.g., CO2).

Naming Compounds

  • BCl3 is named boron trichloride.
  • CCl4 is called carbon tetrachloride.
  • P2O5 is referred to as diphosphorus pentoxide.
  • S2F10 is known as disulfur decafluoride.
  • HClO3 is termed chloric acid.
  • HF is known as hydrofluoric acid.
  • Cl2O is referred to as dichlorine monoxide.
  • H2S is called hydrosulfuric acid.
  • HNO3 is named nitric acid.
  • N2H4 is referred to as dinitrogen tetrahydride.
  • PI3 is called phosphorus triiodide.
  • OCl2 is known as oxygen dichloride.
  • H2Se is termed hydroselenic acid.
  • H3As is known as hydroarsenic acid.
  • Cl2O7 is referred to as dichlorine heptoxide.

Chemical Formulas

  • Examples of chemical formulas include:
    • Silicon tetrachloride: SiCl4
    • Hydrobromic acid: HBr
    • Silicon dioxide: SiO2
    • Sulfuric acid: H2SO4
    • Nitrogen trihydride: NH3

Prefixes for Naming

  • Mono indicates 1 atom.
  • Di indicates 2 atoms.
  • Tri indicates 3 atoms.
  • Tetra indicates 4 atoms.
  • Penta indicates 5 atoms.
  • Hexa indicates 6 atoms.
  • Hepta indicates 7 atoms.
  • Octa indicates 8 atoms.
  • Nona indicates 9 atoms.
  • Deca indicates 10 atoms.

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Test your knowledge of covalent compounds with these flashcards from Chapter 5. This quiz includes key terms and definitions that will help you understand molecular compounds and the forces that hold them together. Perfect for students studying chemistry concepts!

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