Copper Compounds and Ionic Charges

The video tutorial explains how to name the compound CuF2, known as copper(II) fluoride. It begins by identifying copper as a transition metal and fluorine as a non-metal, treating the compound as ionic. The tutorial details the process of naming the metal and non-metal, adjusting the suffix of fluorine to fluoride. It emphasizes the importance of indicating the charge of copper using a Roman numeral due to its status as a transition metal. The video concludes with the complete name: copper(II) fluoride.

What type of metal is copper in the compound CuF2?

• Transition metal

• Alkali metal

• Noble gas

• Alkaline earth metal

How is the name of the non-metal fluorine modified in the compound CuF2?

• By adding 'ate' to the end

• By replacing 'ine' with 'ide'

• By adding 'ous' to the end

• By replacing 'ine' with 'ate'

Why is it necessary to indicate the charge of copper in the name of CuF2?

• Because copper is a non-metal

• Because copper can have multiple oxidation states

• Because fluorine is a transition metal

• Because copper is a noble gas

What is the charge of the fluoride ion in CuF2?

• 2-

• 1-

• 1+

• 2+

How many fluoride ions are present in CuF2?

• One

• Two

• Three

• Four

What Roman numeral is used to indicate the charge of copper in CuF2?

• I

• II

• III

• IV