Antifouling paint contains Cu2O, which prevents the growth of barnacles and algae on the bottoms of boats. What is the name of Cu2O?

Question

Antifouling paint contains [latex]Cu_{2}O[/latex], which prevents the growth of barnacles and algae on the bottoms of boats. What is the name of [latex]Cu_{2}O[/latex]?

Accepted Answer

ANALYZE THE PROBLEM	Given	Need	Connect
ANALYZE THE PROBLEM	[latex]Cu_{2}O[/latex]	name	cation, anion, charge balance

STEP 1 Determine the charge of the cation from the anion.

	Metal	Nonmetal
Element	copper (Cu)	oxygen (O)
Group	transition element	6A(16)
Ion	[latex] Cu^{?} [/latex]	[latex] O^{2-} [/latex]
Charge Balance	[latex] \begin{array}{l}2Cu^{?} + \\frac{ \cancel{2} Cu^{?}}{\cancel{2}}= \frac{\cancel{2}+}{\cancel{2}} =1 + \end{array}[/latex]	2- =0
Ion	[latex] Cu^{+} [/latex]	[latex] O^{2-} [/latex]

STEP 2 Name the cation by its element name, and use a Roman numeral in parentheses for the charge. copper(I)

STEP 3 Name the anion by using the first syllable of its element name followed by ide. oxide

STEP 4 Write the name for the cation first and the name for the anion second. copper(I) oxide

Question 6.5: Antifouling paint contains Cu2O, which prevents the growth o...

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