Unit 6 - Writing Formulas And Naming Compounds

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  • 1/8 Questions

    Binary compounds are composed of ___ atoms.

    • Two
    • One
    • Four
    • Many
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About This Quiz

This quiz, titled 'Unit 6 - Writing Formulas and Naming Compounds', assesses knowledge in chemical compound formulation and nomenclature. It covers binary compounds, ion charges, naming conventions, and hydrate components, essential for students and professionals in chemistry.

Chemical Compounds Quizzes & Trivia

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  • 2. 

    NO2 is the formula for _____.

    • Nitrogen oxygen

    • Noxide

    • Nitrogen oxate

    • Nitrous oxide

    Correct Answer
    A. Nitrous oxide
    Explanation
    The correct answer is nitrous oxide. NO2 is the chemical formula for nitrous oxide, which is a colorless and sweet-smelling gas. It is commonly used as an anesthetic and in aerosol propellants. Nitrogen oxide (NOx) refers to a group of nitrogen and oxygen compounds, but specifically NO2 represents nitrous oxide. Nitrogen oxygen and nitrogen oxate are not correct because they do not accurately represent the chemical formula NO2.

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  • 3. 

    Compounds that are hydrates contain what ingredient?

    • Nitrogen

    • Water

    • Hydrogen chloride

    • Chlorine

    Correct Answer
    A. Water
    Explanation
    Compounds that are hydrates contain water as an ingredient. Hydrates are compounds that have water molecules trapped within their crystal structure. These water molecules are called water of hydration. The presence of water in hydrates can affect their physical and chemical properties.

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  • 4. 

    What is the difference between carbon monoxide and carbon dioxide?

    • Carbon dioxide has only one oxygen atom

    • Carbon monoxide has two carbon atoms

    • Carbon monoxide has only one oxygen atom

    • Carbon dioxide has two carbon atoms

    Correct Answer
    A. Carbon monoxide has only one oxygen atom
    Explanation
    The difference between carbon monoxide and carbon dioxide lies in the number of oxygen atoms they contain. Carbon monoxide has only one oxygen atom, while carbon dioxide has two oxygen atoms.

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  • 5. 

    A polyatomic ion is another name for a _____ ion.

    • Positive

    • Complex

    • Negative

    • Neutral

    Correct Answer
    A. Complex
    Explanation
    A polyatomic ion is a type of ion that is made up of two or more atoms bonded together and carries a net electric charge. These ions can either be positively charged or negatively charged, depending on the overall charge of the atoms within the ion. Therefore, the term "complex" accurately describes a polyatomic ion as it refers to the intricate structure and composition of these ions.

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  • 6. 

    A complex ion is _____.

    • An ion made from a large atom

    • A single atom that has formed an ion

    • Only found in compounds

    • An ion with more than one atom

    Correct Answer
    A. An ion with more than one atom
    Explanation
    A complex ion refers to an ion that consists of multiple atoms bound together. It is different from a simple ion, which is composed of a single atom that has formed an ion. Complex ions are commonly found in compounds and can be formed through the coordination of a central metal atom or ion with surrounding ligands. These ligands can be neutral molecules or ions that donate a pair of electrons to the central atom, forming coordinate covalent bonds. Therefore, a complex ion is an ion with more than one atom.

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  • 7. 

    For an ion, the oxidation number is _______.

    • One less than the charge of the ion

    • The same as the charge of the ion

    • Zero

    • Always negative

    Correct Answer
    A. The same as the charge of the ion
    Explanation
    The oxidation number of an ion is the same as the charge of the ion. This is because the oxidation number represents the electrical charge that an atom has gained or lost when forming an ion. Therefore, the oxidation number will always be equal to the charge of the ion.

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  • 8. 

    A binary compound made with phosphorus will end with the word ______.

    • Phosphate

    • Phosphorus

    • Phosphite

    • Phosphide

    Correct Answer
    A. Phosphate
    Explanation
    A binary compound made with phosphorus will end with the word "phosphate" because "phosphate" is the correct suffix for compounds that contain phosphorus. Phosphate is a polyatomic ion that consists of phosphorus and oxygen, and it is commonly found in many compounds such as calcium phosphate, sodium phosphate, and potassium phosphate. Therefore, when forming a binary compound with phosphorus, the resulting compound will end with the word "phosphate" to indicate the presence of the phosphate ion.

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  • Mar 21, 2023
    Quiz Edited by
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  • Jan 10, 2013
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    Haszshe
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