Mastering Oxidation Numbers

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Questions and Answers

What are oxidation numbers used for?

Oxidation numbers are used to identify when something is oxidized or reduced in a reaction.

How can oxidation numbers help identify differences in an element?

Oxidation numbers can help identify differences in an element, which may behave differently in different compounds.

What is the oxidation number of fluorine in the compound UF6?

$-1$

What is the oxidation number of uranium in the compound UF6?

$+6$ Signup and view all the answers

What is the oxidation number of hydrogen in the compound H2SO4?

$+1$ Signup and view all the answers

What is the oxidation number of oxygen in the compound H2SO4?

$-2$ Signup and view all the answers

What is the oxidation number of sulfur in the compound H2SO4?

$+6$ Signup and view all the answers

What is the oxidation number of chlorine in the ion with the equation +5 + (-6) = -1?

$+5$ Signup and view all the answers

What is oxidation?

Oxidation is a chemical reaction where an atom, ion, or molecule loses electrons. Signup and view all the answers

What are oxidation number rules?

Oxidation number rules are a set of guidelines used to assign oxidation numbers to elements in a chemical formula. Signup and view all the answers

How are oxidation numbers assigned?

Oxidation numbers are assigned to atoms in molecules to show the general distribution of electrons. Signup and view all the answers

What is the purpose of oxidation numbers?

Oxidation numbers are used to help name compounds, write formulas, and balance chemical equations. Signup and view all the answers

What happens to metals in a glaze during the firing process?

Metals in a glaze are oxidized during the firing process, causing them to change colors. Signup and view all the answers

What is iron (III) oxide?

Iron (III) oxide is a compound that forms when iron in a glaze is baked at a high temperature, resulting in a red color. Signup and view all the answers

What is iron (II) oxide?

Iron (II) oxide is a compound that forms when iron in a glaze is baked at a lower temperature, resulting in a black color. Signup and view all the answers