Chemistry Compounds and Naming Worksheet

What is the correct name for the compound with the formula Cr3(PO4)2?

• chromium (III) phosphate

• chromium (II) phosphate

• chromium (III) phosphide

• chromium (II) phosphide

Covalent (Type III) compounds are usually _______.

• composed of a metal and nonmetal

• composed of two nonmetals

• composed of two or more transition elements

• none of the choices

Which formula is correctly paired with its name?

• MgCl2 -- magnesium chlorine

• CuCl2 -- copper (II) chloride

• K2O -- phosphorus oxide

• NaOH -- sodium hydride

What is the ending for the names of ALL binary compounds, both ionic and covalent?

• ide

• ite

• ate

• none of the choices

Which of the following is a binary compound?

• aaluminum oxide

  
  

• calcium nitrate

• magnesium sulfate

  
  

•   sodium cyanide

  
  

If an ionic bond is between a metal and a nonmetal, which element would you expect Fluorine to pair up with?

• lithium

• phosphorus

• chlorine

• oxygen

What is the correct formula for sodium sulfate?

• Na2S

• Na2(SO4)

• Na(SO4)

• NaS

Which of the following compounds correctly shows Manganese (III) Oxide?

• Mn3O2

• MnO

• Mn2O3

• MgO

Which compound's name would need to include the prefixes di- and tri-?

• Fe2O3
• 
   Al2S3

• N2O3

• Cr2P3

You use prefixes when you want to:

• Change the word to mean multiple atoms in (Type III) compounds

• Indicate the number of electrons

• Indicate the number of elements

• Indicate the number of bonds