Chemistry: Atomic Number, Subatomic Particles, and Chemical Symbols
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Questions and Answers

What is the atomic number of carbon?

  • 7
  • 6 (correct)
  • 5
  • 8
  • What is the chemical symbol for gold?

  • Au (correct)
  • Ag
  • Pt
  • Gd
  • Explain the composition of natural gas.

    Natural gas is mainly composed of methane, but may also contain small amounts of other hydrocarbons, carbon dioxide, nitrogen, and hydrogen sulfide.

    What is the main component of natural gas?

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

    Which subatomic particle has a negative charge?

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

    Provide the chemical symbol for gold and its atomic number.

    <p>The chemical symbol for gold is Au, and its atomic number is 79.</p> Signup and view all the answers

    Describe the properties of the subatomic particle with a negative charge.

    <p>The subatomic particle with a negative charge is the electron. It is extremely small, has a negligible mass, and orbits the nucleus of an atom.</p> Signup and view all the answers

    Explain the significance of the atomic number of carbon.

    <p>The atomic number of carbon is 6, which indicates the number of protons in the nucleus of a carbon atom. This number also determines its unique chemical properties and its position in the periodic table.</p> Signup and view all the answers

    Study Notes

    ### Carbon

    • The atomic number of carbon is 6

    Gold 

    • The chemical symbol for gold is Au

    Natural Gas

    • Natural gas is a fossil fuel that forms over millions of years
    • Primarily composed of methane
    • Other gases include ethane, propane, butane, and pentane
    • Natural gas is a clean-burning fuel that is an important source of energy

    Methane

    • The main component of natural gas is methane (CH4)

    Electrons

    • The subatomic particle with a negative charge is the electron

    Gold's Properties

    • The chemical symbol for gold is Au
    • The atomic number for gold is 79

    Electron Properties

    • Electrons are negatively charged subatomic particles found orbiting the nucleus of an atom
    • They are responsible for chemical bonding and electrical conductivity

    Carbon's Significance

    • The atomic number of carbon determines its chemical properties, making it the basis for all organic life
    • Carbon atoms can bond with each other and other elements to form a wide variety of molecules which are essential for life on Earth

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    Description

    Test your knowledge of chemistry with questions about the atomic number of carbon, subatomic particles, the chemical symbol for gold, and the main component of natural gas.

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