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    What is the chemical formula for calcium carbonate?

    CaCO3

    What is the name of the process where a solid turns into a gas without becoming liquid?

    Sublimation

    What is the most abundant gas in Earth's atmosphere?

    Nitrogen (N2)

    What is the atomic number of carbon?

    6

    What type of bond is formed when two atoms share electrons?

    Covalent bond

    Which element has the chemical symbol Na?

    Sodium

    What is the pH of pure water?

    7

    What is the chemical formula for sulfuric acid?

    H2SO4

    Who is known as the father of modern chemistry?

    Antoine Lavoisier

    What is the chemical formula for methane?

    CH4