Halogens & Noble Gases

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Gases Quizzes & Trivia

This quiz is about halogens and noble gases. Answer 20 of these questions to be complete. Good Luck!


Questions and Answers
  • 1. 

    Is Argon a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Argon is a noble gas. Noble gases are a group of elements that are very stable and have a full outer electron shell, making them highly unreactive. Argon, along with other noble gases like helium and neon, does not readily form compounds with other elements. This characteristic makes noble gases useful in various applications, such as in lighting and as inert atmospheres in laboratories. In contrast, halogens are a group of highly reactive elements that readily form compounds with other elements.

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  • 2. 

    Is Astatine a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    A. Halogen
    Explanation
    Astatine is a halogen because it belongs to Group 17 of the periodic table, which is also known as the halogen group. Halogens are highly reactive nonmetals that have seven valence electrons and are known for their ability to form salts with metals. Astatine exhibits similar chemical properties to other halogens such as fluorine, chlorine, bromine, and iodine. Therefore, it is classified as a halogen rather than a noble gas, which is a separate group of elements known for their stability and lack of reactivity.

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  • 3. 

    Is Bromine a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    A. Halogen
    Explanation
    Bromine is classified as a halogen. Halogens are a group of elements in the periodic table that include fluorine, chlorine, bromine, iodine, and astatine. They are known for their high reactivity and tendency to form compounds with other elements. Bromine, like other halogens, has seven valence electrons, making it highly reactive and capable of forming various compounds. Noble gases, on the other hand, are a different group of elements known for their low reactivity and stable electron configurations.

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  • 4. 

    Is Chlorine a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    A. Halogen
    Explanation
    Chlorine is a halogen because it belongs to Group 17 of the periodic table. Halogens are highly reactive nonmetals that have seven valence electrons and readily form compounds with other elements. Chlorine, with its atomic number 17, has a similar electron configuration to other halogens like fluorine and bromine. On the other hand, noble gases are nonreactive elements found in Group 18 of the periodic table, characterized by having full valence electron shells. Chlorine does not meet the criteria to be classified as a noble gas.

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  • 5. 

    Is Flourine a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble gas

    Correct Answer
    A. Halogen
    Explanation
    Fluorine is a halogen because it belongs to Group 17 of the periodic table, also known as the halogens. Halogens are highly reactive nonmetals and include elements such as fluorine, chlorine, bromine, iodine, and astatine. They have seven valence electrons and readily form compounds by gaining one electron to achieve a stable electron configuration. On the other hand, noble gases are found in Group 18 and are known for their low reactivity due to having a full valence electron shell.

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  • 6. 

    Is Helium a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Helium is a noble gas. Noble gases are a group of elements in the periodic table that have full outer electron shells, making them stable and unreactive. Helium specifically has two electrons in its outer shell, which is the maximum capacity for that shell. This stability prevents helium from easily forming compounds with other elements, hence it is classified as a noble gas.

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  • 7. 

    Is Iodine a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    A. Halogen
    Explanation
    Iodine is a halogen because it belongs to Group 17 of the periodic table. Halogens are highly reactive nonmetals that have seven valence electrons and are known for their ability to form salts with metals. Iodine exhibits similar properties to other halogens such as chlorine, bromine, and fluorine, including its ability to form compounds with other elements. On the other hand, noble gases are chemically inert and do not readily form compounds with other elements, which is not the case for iodine.

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  • 8. 

    Is Krypton a Halogen or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Krypton is a noble gas because it belongs to Group 18 of the periodic table, also known as the noble gases. Noble gases are characterized by their full outer electron shells, making them stable and unreactive. Krypton, along with other noble gases like helium and neon, does not readily form compounds with other elements and is typically found in its pure, gaseous form.

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  • 9. 

    Is Neon a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Neon is a noble gas. Noble gases are a group of elements that are odorless, colorless, and have low chemical reactivity. They are known for their stability due to having a full outer electron shell. Neon specifically is commonly used in neon signs due to its ability to emit a bright red-orange light when an electric current is passed through it. It is also used in various other applications such as lighting, cryogenics, and as a cooling agent.

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  • 10. 

    Is Radon a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Radon is a noble gas. Noble gases are characterized by their stable electron configurations and lack of reactivity. Radon, with its full outer electron shell, fits this description. It is a colorless and odorless gas that occurs naturally as a decay product of radioactive uranium and thorium. Due to its radioactive nature, radon can be harmful if inhaled in high concentrations. It is commonly used in various applications such as radiation therapy and nuclear energy.

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  • 11. 

    Is Xenon a Halogen, or a Noble Gas?

    • A.

      Halogen

    • B.

      Noble Gas

    Correct Answer
    B. Noble Gas
    Explanation
    Xenon is a noble gas because it belongs to Group 18 of the periodic table, also known as the noble gases. These gases have full valence electron shells, making them stable and non-reactive. Xenon, like other noble gases, does not readily form compounds with other elements and is known for its inertness.

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  • 12. 

    Which of these four elements is used for Lighting?

    • A.

      Krypton, Iodine, Astatine, Unon

    • B.

      Neon, Argon, Krypton, Xenon

    • C.

      Algae, Argno, Gas, Sun

    • D.

      Neon, Argon, Krypton, Astatine

    Correct Answer
    B. Neon, Argon, Krypton, Xenon
    Explanation
    Neon, Argon, Krypton, and Xenon are all noble gases that are commonly used in lighting applications. These gases are used in different types of lighting, such as neon lights, fluorescent lights, and gas discharge lamps. They are able to produce light when an electric current is passed through them, making them suitable for lighting purposes.

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  • 13. 

    Which one of these elements is used in Halogen Lights?

    • A.

      Argon

    • B.

      Krypton

    • C.

      Neon

    • D.

      Astatine

    Correct Answer
    D. Astatine
    Explanation
    Astatine is used in Halogen Lights. Halogen lights are a type of incandescent lamp that uses a halogen gas to increase the lifespan and efficiency of the bulb. Astatine, being a halogen element, is part of this group of gases that also includes fluorine, chlorine, bromine, and iodine. These gases help to prevent the evaporation of the filament in the bulb, allowing it to last longer and produce a brighter light. Therefore, astatine is the correct answer as it is one of the elements used in halogen lights.

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  • 14. 

    Which one of these elements is used in Photographic Films?

    • A.

      Astatine

    • B.

      Unon

    • C.

      Bromine

    • D.

      Lights

    Correct Answer
    C. Bromine
    Explanation
    Bromine is used in photographic films because it is sensitive to light and helps in capturing images. It is a halogen element that reacts with silver compounds in the film to form silver bromide, which is light-sensitive. When exposed to light, the silver bromide undergoes a chemical reaction, creating a latent image that can be developed and fixed to produce a visible photograph. Therefore, bromine plays a crucial role in the process of capturing and developing images in photographic films.

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  • 15. 

    Which one of these elements is used to Purify Water?

    • A.

      Chlorine

    • B.

      Salt

    • C.

      Sun

    • D.

      Neon

    Correct Answer
    A. Chlorine
    Explanation
    Chlorine is used to purify water because it is a strong disinfectant and effectively kills bacteria, viruses, and other microorganisms present in water. It is commonly added to public water supplies to ensure the water is safe for consumption by killing harmful pathogens. Chlorine also helps in removing unpleasant odors and tastes from water, making it more palatable. Additionally, it acts as a residual disinfectant, providing ongoing protection against recontamination as the water travels through the distribution system.

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  • 16. 

    Which one of these elements is used for Nothing?

    • A.

      Air

    • B.

      Radon

    • C.

      Astatine

    • D.

      Flourine

    Correct Answer
    B. Radon
    Explanation
    Radon is the correct answer because it is a colorless, odorless, and tasteless gas that is classified as a noble gas. It is known for being extremely unreactive and does not form compounds with other elements easily. Due to its inert nature, radon is often used to represent the concept of "nothing" or emptiness. It is commonly used in phrases such as "as empty as radon" or "as vacant as radon" to convey the absence or lack of something.

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  • 17. 

    Which one of these elements is used for Preventing Infection?

    • A.

      Flourine

    • B.

      Alcohol

    • C.

      Mayonaise

    • D.

      Iodine

    Correct Answer
    D. Iodine
    Explanation
    Iodine is used for preventing infection. It is commonly used as an antiseptic to clean wounds and kill bacteria. Iodine has strong antimicrobial properties and can effectively kill a wide range of pathogens, making it an effective tool in preventing infections.

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  • 18. 

    Which one of these elements is used for Preventing Tooth Decay?

    • A.

      Toothpaste

    • B.

      Candy

    • C.

      Flourine

    • D.

      Salt

    Correct Answer
    C. Flourine
    Explanation
    Fluorine is used for preventing tooth decay because it helps to strengthen the enamel of the teeth, making them more resistant to acid attacks from plaque and bacteria. It also aids in the remineralization process, which can reverse early stages of tooth decay. Additionally, fluorine can inhibit the growth of bacteria in the mouth, reducing the risk of cavities. Toothpaste often contains fluoride, which is why it is recommended for maintaining good oral hygiene. Candy, on the other hand, can contribute to tooth decay due to its high sugar content. Salt does not have any direct impact on preventing tooth decay.

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  • 19. 

    Which one of these elements is used to Fill Balloons?

    • A.

      Helium

    • B.

      Krypton

    • C.

      Radon

    • D.

      Argon

    Correct Answer
    A. Helium
    Explanation
    Helium is used to fill balloons because it is lighter than air. When helium is filled in a balloon, it makes the balloon float in the air. Krypton, radon, and argon are not commonly used to fill balloons as they are heavier than air and do not provide the buoyancy required for the balloon to float.

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  • 20. 

    Why are non-metals used?

    • A.

      Ductile, Luster, Malleable, Conductive

    • B.

      Ductile, Gassy, Inert, Magic

    • C.

      Ductile, Luster, Reflectable, Conductive

    • D.

      Conductive, Gassy, Manureous, Farty

    Correct Answer
    A. Ductile, Luster, Malleable, Conductive
    Explanation
    Non-metals are not used because they are ductile, lustrous, malleable, or conductive. In fact, non-metals are the opposite of these properties. Non-metals are generally brittle, dull, and poor conductors of electricity and heat. Therefore, the correct answer is not related to non-metals.

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