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AP EAMCET s-Block Elements — practice questions — page 3

Explore 128 free s-Block Elements questions in AP EAMCET Chemistry. Open each question or exercise to read its content, reference answers and available explanation.

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s-Block Elements questions and exercises with answers

Showing questions 61–90 of 128.

True or false: what bond parameters affectRead the answer and worked solution →Bond parameters in useRead the answer and worked solution →Which parameter answers this?Read the answer and worked solution →True or false: resonanceRead the answer and worked solution →Order the steps: draw a Lewis structureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: structureRead the answer and worked solution →Flip and pair: parameter with what it measuresRead the answer and worked solution →What is the general valence electron configuration of the alkali metals?Read the answer and worked solution →Which crystal structure do all the alkali metals adopt?Read the answer and worked solution →Why do alkali metal salts give characteristic flame colours?Read the answer and worked solution →In the laboratory, alkali metals are usually stored under which liquid?Read the answer and worked solution →Which alkali metal halide is only poorly soluble in water?Read the answer and worked solution →Which alkali metal hydroxide is not deliquescent?Read the answer and worked solution →Lithium shows a diagonal relationship with which element?Read the answer and worked solution →Which stable alkali metal has a pale golden tint?Read the answer and worked solution →How does the atomic radius of alkali metals change from Li to Cs?Read the answer and worked solution →How does the reactivity of alkali metals change down the group?Read the answer and worked solution →Which of these alkali metals breaks the trend of density rising down the group?Read the answer and worked solution →How does an alkali metal ion's radius compare with its parent atom?Read the answer and worked solution →Why is the second ionisation energy of an alkali metal very high?Read the answer and worked solution →Sodium reacts with cold water to give which products?Read the answer and worked solution →Which anion forms when lithium reacts with oxygen at room temperature?Read the answer and worked solution →Ionic alkali metal hydrides are often used in chemistry as what?Read the answer and worked solution →Which alkali metal uniquely forms a stable nitride?Read the answer and worked solution →Lithium chloride and bromide are used in which devices?Read the answer and worked solution →Why are lithium compounds relatively covalent?Read the answer and worked solution →Lithium iodide dissolves in organic solvents. What does this show?Read the answer and worked solution →Caesium-137, a fission product, has a half-life of about how long?Read the answer and worked solution →Why do alkali metal cations rarely form coordination complexes?Read the answer and worked solution →

Worked practice questions

True or false: what bond parameters affect

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Questions
  1. Statement is true
    Yes
    Statement
    Bond length affects the properties of a compound.
  2. Statement is true
    Yes
    Statement
    Bond enthalpy affects the properties of a compound.
  3. Statement is true
    Yes
    Statement
    Bond polarity affects the properties of a compound.
  4. Statement is true
    No
    Statement
    Bond parameters have no effect on properties.
  5. Statement is true
    Yes
    Statement
    Bond order counts the shared electron pairs.
They are not decoration they set the compound's properties. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Bond parameters in use

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Questions
  1. Question
    Bond length measures
    Choices
    1. the energy to break the bond
    2. the distance between bonded atoms
    3. the number of pairs
    Correct choice
    the distance between bonded atoms
  2. Question
    Bond enthalpy measures
    Choices
    1. the length
    2. the angle
    3. the energy involved in the bond
    Correct choice
    the energy involved in the bond
  3. Question
    Bond order counts
    Choices
    1. the shared electron pairs
    2. the lone pairs
    3. the atoms
    Correct choice
    the shared electron pairs
  4. Question
    Bond polarity concerns
    Choices
    1. bond length
    2. uneven sharing of the pair
    3. lattice energy
    Correct choice
    uneven sharing of the pair
Each parameter answers a different question about the bond. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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Which parameter answers this?

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Items
  1. Item
    How far apart are the atoms?
    Category
    Bond length
  2. Item
    Measured in picometres
    Category
    Bond length
  3. Item
    How much energy to break it?
    Category
    Bond enthalpy
  4. Item
    Measured in kilojoules per mole
    Category
    Bond enthalpy
  5. Item
    Single, double or triple?
    Category
    Bond order
  6. Item
    Counts the shared pairs
    Category
    Bond order
Categories
  1. Item
    Bond length
  2. Item
    Bond enthalpy
  3. Item
    Bond order
Matching the question to the measurement. Source: syllabus Chemistry, Ch 4 Chemical Bonding and Molecular Structure.

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More Chemistry topics

SolutionsAtomic StructureSurface ChemistryChemical Bonding and Molecular StructureClassification of ElementsHydrocarbonsSolid StateEquilibrium