Copper(I) Hydroxide and Ion Charges

The video tutorial explains how to write the formula for copper(I) hydroxide. It begins by identifying copper's symbol on the periodic table and noting that hydroxide is OH-. The tutorial discusses the nature of ionic compounds, emphasizing the importance of charge balance. Copper(I) indicates a 1+ charge, which balances with hydroxide's 1- charge, resulting in a net charge of zero. The final formula for copper(I) hydroxide is presented as CuOH.

What is the element symbol for copper as found on the periodic table?

• Ca

• C

• Co

• Cu

What is the charge of the hydroxide ion?

• 2+

• 1-

• 2-

• 1+

What does the Roman numeral I in Copper(I) indicate about its charge?

• It has a 1+ charge

• It has no charge

• It has a 2+ charge

• It has a 1- charge

How do the charges of copper and hydroxide ions combine in Copper(I) Hydroxide?

• They add up to 0

• They add up to 2+

• They add up to 1+

• They add up to 1-

What is the final chemical formula for Copper(I) Hydroxide?

• CuOH

• Cu(OH)2

• Cu2O

• CuH