Question

What is the name of CuO? Explain how you determined the bond type and the steps you used to determine the naming convention for the compound. (5 points)

Answer 1

Ionic bond, Copper (II) oxide

The bond formed between CuO is an ionic bond. Oxygen gains two electrons, so ends up as an $O^{-2}$. This show that the ionic bond between copper and oxygen ion.

CuO consists of a transition metal and a non-metal. First, name the metal as it appears on the Periodic Table, which is simply “Copper”. Then, write the name and charge of the non-metal, which in this case is, “Oxygen”. Since it is ionic, replace the “ygen” at the end, with “ide”. Now, the name of CuO is Copper Oxide. Oxygen has a -2 charge, and therefore, copper must have a charge of +2. To display that copper has a charge of +2, put parentheses in between Copper & Oxide and wrote the Roman Numeral II in the parentheses.

The name of CuO is Copper (II) Oxide.

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Answer 2

Copper (II) oxide

CuO consists of a transition metal and a non-metal. First, I name the metal as it appears on the Periodic Table, which is simply “Copper”. Then, I write the name and charge of the non-metal, which in this case is, “Oxygen”. Since it is ionic, I replace the “ygen” at the end, with “ide”. Now, the name of CuO, so far, is Copper Oxide. Finally, I define its charge. Using prior knowledge, I know that oxygen has a -2 charge, and therefore, copper must have a charge of +2. To display that copper has a charge of +2, I put parentheses in between Copper & Oxide and wrote the Roman Numeral II in the parentheses. The final result is: Copper (II) Oxide. I hope this helps