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Which subjectChemistry
What age groupYear or Grade 11
What topicA block elements
Question typesOpen-ended
Number of questions5
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Grade 11 Chemistry Quiz: A Block Elements

Instructions

Please answer the following questions related to A block elements. Write your answers clearly, and ensure you provide sufficient detail where required.


  1. What is the general electronic configuration of the A block elements (s-block elements) in terms of their outermost electrons?
    (Your answer should include the principal quantum numbers and the types of orbitals involved.)

  2. Identify one characteristic property of alkali metals that distinguishes them from alkaline earth metals.
    (Your answer should focus on physical or chemical properties related to reactivity, conductivity, or physical appearance.)

  3. Name one application of each of the following alkali metals: lithium, sodium, and potassium.
    (Provide a specific example for each metal's use in industry or everyday life.)

  4. Explain why the ionization energy decreases as you move down the group in the alkali metals.
    (Your answer should discuss factors such as atomic radius, electron shielding, and nuclear charge.)

  5. What is a common compound formed by alkaline earth metals when they react with halogens, and what is its significance in daily life?
    (Include the name of the compound and a brief explanation of its importance or use.)


End of Quiz

Please review your answers thoroughly before submitting. Good luck!