Copper Compounds and Charges

The video tutorial explains how to name the compound Cu2SO4. It begins by identifying the sulfate ion (SO4) as a polyatomic ion and discusses copper as a transition metal. The tutorial covers the importance of balancing ionic charges, with copper having a charge of one plus to balance the two minus charge of the sulfate ion. The name 'copper 1 sulfate' is derived using Roman numerals to indicate the charge of copper. Finally, the video demonstrates how to write the chemical formula from the compound name.

What is the polyatomic ion present in Cu2SO4?

• Nitrate

• Sulfate

• Phosphate

• Carbonate

Why is copper considered a transition metal?

• It is always positively charged

• It forms covalent bonds

• It can have multiple ionic charges

• It is a non-metal

What is the initial name given to Cu2SO4 before considering the charge on copper?

• Copper Sulfate

• Copper Sulfide

• Copper Sulfide

• Copper Sulfite

What is the charge on the sulfate ion in Cu2SO4?

• 1-

• 2-

• 2+

• 1+

How is the charge on copper indicated in the name of Cu2SO4?

• By using a suffix

• By using Roman numerals

• By using a prefix

• By using a subscript

What Roman numeral is used in the name of Cu2SO4 to indicate the charge on copper?

• II

• I

• IV

• III

If given the name 'Copper I Sulfate', what is the charge on each copper atom?

• 1-

• 2+

• 1+

• 2-

How many copper atoms are needed to balance one sulfate ion in Cu2SO4?

• Four

• Three

• Two

• One

What is the correct formula for Copper I Sulfate?

• Cu(SO4)2

• Cu2(SO4)3

• Cu2SO4

• CuSO4