What is the first rule for converting names to formulas?

• Use a Roman numeral

• Name the cation

• Balance the charges

• Name the anion

When naming the anion, what suffix is added to the element name?

• -ium

• -ate

• -ite

• -ide

What is the correct name for the compound CaF2?

• Calcium difluoride

• Calcium fluoride

• Calcium fluorine

• Calcium fluorite

What is the name of the cation in the compound Al2S3?

• Sulfur

• Sulfide

• Aluminum

• Alumina

Tags

NGSS.MS-PS1-1

What is the correct name for the compound Al2S3?

• Aluminum sulfide

• Dialuminum trisulfide

• Aluminum sulfur

• Aluminum trisulfide

Tags

NGSS.MS-PS1-1

What is the charge of the bromide ion in CoBr2?

• +1

• +2

• -1

• -2

What Roman numeral is used in the name of CoBr2?

• II

• III

• IV

• I

What is the correct name for the compound Fe2O3?

• Iron oxide

• Iron(IV) oxide

• Iron(III) oxide

• Iron(II) oxide

What is the charge of the oxide ion in Fe2O3?

• +2

• +1

• -2

• -1

Tags

NGSS.HS-PS1-1

Which of the following elements can have a Roman numeral in its name even though it is not a transition metal?

• Sulfur

• Calcium

• Tin

• Aluminum