Oxide Quiz
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Oxide Quiz

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Questions and Answers

What is an oxide?

  • A chemical compound containing oxygen in the oxidation state of 0
  • A chemical compound containing at least one oxygen atom and one other element (correct)
  • A chemical compound containing oxygen in the oxidation state of +2
  • A chemical compound containing only oxygen atoms

    • What is the oxidation state of oxygen in the oxide dianion?

  • −2 (correct)
  • 0
  • +2
  • −1

    • What protects aluminium foil from further oxidation?

  • A layer of AlO
  • A layer of oxygen atoms
  • A thin skin of Al2O3 (passivation layer) (correct)
  • A layer of pure aluminium

    • What is stoichiometry in the context of oxides?

    <p>The measurable relationship between reactants and chemical equations</p> Signup and view all the answers

    What is more common than binary oxides?

    <p>Oxides of more than one stoichiometry</p> Signup and view all the answers

    Who applied the term 'atom' to the basic units of mass of the chemical elements?

    <p>John Dalton</p> Signup and view all the answers

    What does the term 'atom' mean in Greek?

    <p>Uncuttable</p> Signup and view all the answers

    When did atomic theory gain widespread acceptance in the scientific community?

    <p>By the end of the 19th century</p> Signup and view all the answers

    What did scientists realize about Dalton's so-called atoms?

    <p>They have an underlying structure of their own</p> Signup and view all the answers

    What does the term 'atom' now refer to when describing truly indivisible particles?

    <p>Elementary particles</p> Signup and view all the answers

    Study Notes

    Oxides and Stoichiometry

    • An oxide is a compound containing oxygen in its -2 oxidation state.
    • The oxidation state of oxygen in the oxide dianion is -2.

    Properties of Oxides

    • The thin layer of aluminium oxide protects aluminium foil from further oxidation.

    Stoichiometry

    • Stoichiometry in the context of oxides refers to the study of the quantitative relationships between reactants and products in chemical reactions involving oxides.

    Types of Oxides

    • Ternary oxides, which contain three elements, are more common than binary oxides, which contain two elements.

    History of Atomic Theory

    • The term 'atom' was applied to the basic units of mass of the chemical elements by John Dalton.
    • The term 'atom' means 'indivisible' in Greek.
    • Atomic theory gained widespread acceptance in the scientific community in the early 19th century.
    • Scientists realized that Dalton's so-called atoms could be further divided into smaller particles, such as electrons, protons, and neutrons.
    • Today, the term 'atom' refers to the smallest units of an element that still retain the properties of that element, which are truly indivisible particles.

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    Description

    Test your knowledge of chemical compounds with this oxide quiz. Explore the properties and characteristics of oxides, their prevalence in the Earth's crust, and their role in chemical reactions.

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