Chemistry Compounds and Formulas Quiz
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Questions and Answers

Write the correct formula for iron(II) nitrite.

Fe(NO2)2

Write the correct formula for calcium nitrate.

Ca(NO3)2

Write the correct formula for iron(II) hydroxide.

Fe(OH)2

Identify the compound Ca3(PO4)2 as ionic or covalent.

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

Provide the correct name for FeBr3.

<p>Iron(III) Bromide</p> Signup and view all the answers

Write the formula for the ionic compound formed by calcium and fluoride.

<p>CaF2</p> Signup and view all the answers

What is the name of the ion Ca^2+?

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

What is the name of the ion Al^3+?

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

What is the name of the ion F-?

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

What is the name of the ion Fe^3+?

<p>Iron (III)</p> Signup and view all the answers

What is the name of the ionic compound PbO2?

<p>Lead (IV) Oxide</p> Signup and view all the answers

What is the name of the ionic compound SnO2?

<p>Tin (IV) Oxide</p> Signup and view all the answers

What is the name of the ionic compound InN?

<p>Indium Nitride</p> Signup and view all the answers

What is the name of the ionic compound CrI3?

<p>Chromium (III) Iodide</p> Signup and view all the answers

What is the name of P4S3, used in matches?

<p>Tetraphosphorus Trisulfide</p> Signup and view all the answers

What is the formula for diarsenic pentoxide?

<p>Ar2O5</p> Signup and view all the answers

What is the formula for copper(I) phosphate?

<p>Cu3PO4</p> Signup and view all the answers

What is the formula for calcium nitrate?

<p>Ca(NO3)2</p> Signup and view all the answers

What is the formula for boron trifluoride?

<p>BF3</p> Signup and view all the answers

What is the formula for aluminum carbonate?

<p>Al2(CO3)3</p> Signup and view all the answers

Identify the compound SO2 as ionic or covalent.

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

Identify the compound BaCl2 as ionic or covalent.

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

Identify the compound (NH4)3PO3 as ionic or covalent.

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

Identify the compound Cu2CO3 as ionic or covalent.

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

Identify the compound N2O3 as ionic or covalent.

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

What is the formula for phosphorus pentachloride?

<p>PCl5</p> Signup and view all the answers

What is the formula for dinitrogen tetroxide?

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

What is the formula for sulfur hexafluoride?

<p>SF6</p> Signup and view all the answers

What is the name for SiCl4?

<p>Silicon Tetrachloride</p> Signup and view all the answers

What is the name for P2O5?

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

What is the name for Cl2O7?

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

Study Notes

Compound Formulas

  • Iron(II) nitrite is represented by Fe(NO2)2.
  • Calcium nitrate has the formula Ca(NO3)2.
  • Iron(II) hydroxide is denoted as Fe(OH)2.
  • The ionic compound formed from calcium and fluoride is CaF2.

Compound Naming and Classification

  • Calcium phosphate, Ca3(PO4)2, is classified as an ionic compound.
  • Iron(III) bromide, FeBr3, is also an ionic compound.
  • Lead(IV) oxide is written as PbO2, while tin(IV) oxide is SnO2.
  • Indium nitride is represented by InN, whereas chromium(III) iodide has the formula CrI3.

Ionic and Covalent Compounds

  • Diarsenic pentoxide is a covalent compound with the formula As2O5.
  • Copper(I) phosphate is an ionic compound written as Cu3PO4.
  • Calcium nitrate (Ca(NO3)2) and aluminum carbonate (Al2(CO3)3) are ionic.
  • Boron trifluoride is a covalent compound with the formula BF3.

Naming Ions

  • The ion Ca^2+ is named calcium.
  • Aluminum ion is Al^3+.
  • Fluoride is represented by F-.
  • Iron(III) ion is Fe^3+.

Naming Other Covalent Compounds

  • Tetraphosphorus trisulfide is represented by P4S3.
  • Sulfur dioxide is named as SO2.
  • The formula for dichlorine monoxide is Cl2O.

Additional Compound Classifications

  • Ammonium phosphite, (NH4)3PO3, is an ionic compound.
  • Copper(I) carbonate has the formula Cu2CO3 and is ionic.
  • Nitrogen oxide (N2O3) is an ionic compound.

Advanced Naming Examples

  • Silicon tetrachloride is SiCl4.
  • Dinitrogen tetroxide has the formula N2O4.
  • Sulfur hexafluoride is denoted as SF6.
  • Diphosphorus pentaoxide is P2O5, while dichlorine heptoxide is Cl2O7.

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Description

Test your knowledge on the formulas and names of various chemical compounds. This quiz covers both ionic and covalent compounds, exploring their correct names and classifications. Perfect for chemistry students wanting to reinforce their understanding of compound formation.

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