How Well Do You Know Uranium?

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How Well Do You Know Uranium? - Quiz

Uranium is a radioactive element discovered many years ago. It is used in the production of some equipments used in everyday activities. It is the 92nd element in the periodic table.


Questions and Answers
  • 1. 

     Uranium was discovered in

    • A.

      1789

    • B.

      1788

    • C.

      1798

    • D.

      1767

    Correct Answer
    A. 1789
    Explanation
    Uranium was discovered in 1789.

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  • 2. 

    Uranium belongs to which period in the periodic table?

    • A.

      7

    • B.

      8

    • C.

      6

    • D.

      10

    Correct Answer
    A. 7
    Explanation
    Uranium belongs to period 7 in the periodic table because the number of energy levels or shells in an atom of uranium corresponds to the period number. Uranium has 7 energy levels, which places it in period 7.

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  • 3. 

    Uranium belongs to which category of elements?

    • A.

      Lactinides

    • B.

      Halogens

    • C.

      Alkali earth metals

    • D.

      Actinides

    Correct Answer
    D. Actinides
    Explanation
    Uranium belongs to the category of elements known as actinides. Actinides are a series of elements that follow the actinium element in the periodic table. They are all radioactive and have similar properties, including the ability to undergo nuclear reactions. Uranium is a well-known actinide element and is commonly used as a fuel in nuclear reactors.

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  • 4. 

    Uranium belongs to what block of elements?

    • A.

      S

    • B.

      F

    • C.

      D

    • D.

      P

    Correct Answer
    B. F
    Explanation
    Uranium belongs to the f-block of elements. The f-block consists of the lanthanides and actinides, which are also known as the inner transition metals. Uranium is an actinide element and is located in the f-block due to its electron configuration, specifically the filling of its 5f orbitals.

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  • 5. 

    Uranium has how many outermost shell electron?

    • A.

      4

    • B.

      5

    • C.

      2

    • D.

      8

    Correct Answer
    C. 2
    Explanation
    Uranium has 92 electrons in total, and its electron configuration is 2-8-18-32-21-9-2. The outermost shell of an atom is known as the valence shell, which is the shell that participates in chemical bonding. In the case of uranium, the valence shell is the 6th shell, which contains 2 electrons. Therefore, uranium has 2 outermost shell electrons.

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  • 6. 

    Which of these features is non-existent for  uranium?

    • A.

      Ionization energy

    • B.

      Atomic radius

    • C.

      Crystal structure

    • D.

      Electropositivity

    Correct Answer
    D. Electropositivity
    Explanation
    Electropositivity is the ability of an atom to donate electrons and form positive ions. It is a characteristic of elements in the periodic table, but uranium does not possess this property. Uranium is a heavy metal and belongs to the actinide series, which generally have a high electronegativity and tend to accept electrons rather than donate them. Therefore, electropositivity is non-existent for uranium.

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  • 7. 

    Uranium is used for making the following except 

    • A.

      Nuclear weapon

    • B.

      Vacuum capacitor

    • C.

      Photographic chemicals

    • D.

      Telescope

    Correct Answer
    D. Telescope
    Explanation
    Uranium is primarily used in the production of nuclear weapons, as it is a key component in nuclear fission reactions. It is also used in vacuum capacitors, which are electronic devices that store electrical energy. Uranium is used in the production of photographic chemicals, specifically in the form of uranium nitrate, which is used as a toning agent. However, uranium is not used in the construction or functioning of telescopes.

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  • 8. 

    What is the color of uranium?

    • A.

      Silvery white

    • B.

      Silvery gray

    • C.

      White

    • D.

      Pink

    Correct Answer
    B. Silvery gray
    Explanation
    Uranium is a metallic element that is known for its silvery gray color. This color is due to the reflective properties of the metal, which gives it a shiny appearance. The silvery gray color of uranium is a characteristic feature that distinguishes it from other elements.

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  • 9. 

    Uranium was named after which of these planets?

    • A.

      Pluto

    • B.

      Mars

    • C.

      Earth

    • D.

      Uranus

    Correct Answer
    D. Uranus
    Explanation
    Uranium was named after the planet Uranus. The element was discovered in 1789 by Martin Heinrich Klaproth, who named it after the recently discovered planet Uranus. Uranium's name is derived from the Latinized version of Uranus, which is "Uranus" in English. This naming convention was common during that time period, as many elements were named after celestial bodies or mythological figures.

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  • 10. 

    The valence electrons of uranium is 

    • A.

      6

    • B.

      5

    • C.

      4

    • D.

      7

    Correct Answer
    A. 6
    Explanation
    The valence electrons of uranium is 6. This is because uranium is an element in Group 6 of the periodic table, which means it has 6 valence electrons. Valence electrons are the electrons in the outermost energy level of an atom and they determine the chemical properties of an element.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 09, 2018
    Quiz Created by
    Timmy198

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