Alkali Metals and Alkaline Earth Metals Properties
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Questions and Answers

Which property is shared by both alkali metals and alkaline earth metals?

  • They are hard and brittle
  • They are poor conductors of heat and electricity
  • They are soft and malleable (correct)
  • They are highly unreactive

    • What is the key difference between the reactivity of alkali metals and alkaline earth metals?

  • Alkaline earth metals are more reactive and will explode on contact with water, while alkali metals are less reactive and will only react vigorously with water.
  • Neither alkali metals nor alkaline earth metals will react with water.
  • Alkali metals are more reactive and will explode on contact with water, while alkaline earth metals are less reactive and will only react vigorously with water. (correct)
  • Both alkali metals and alkaline earth metals will explode on contact with water.

    • Which property is unique to the transition metals?

  • Malleability and ductility
  • Ability to form complex ions (correct)
  • Good conductivity of heat and electricity
  • High melting and boiling points

    • What is the key difference between the reactivity of lanthanides and actinides?

    <p>Actinides are more reactive and form more complex compounds than lanthanides.</p> Signup and view all the answers

    What is the origin of the term 'pnictogens' used to describe the nitrogen group elements?

    <p>They are derived from the Greek word for 'choking gas', referring to the toxic nature of some nitrogen compounds.</p> Signup and view all the answers

    Which type of elements do not react with other elements on the periodic table?

    <p>Noble Gases</p> Signup and view all the answers

    What type of elements are found on the left side of the Periodic Table of Elements?

    <p>Metals</p> Signup and view all the answers

    What is a common property of non-metals?

    <p>Dull in appearance</p> Signup and view all the answers

    Which type of elements have some properties of metal but behave chemically like a nonmetal in certain instances?

    <p>Metalloids</p> Signup and view all the answers

    What is the significance of the stair-step line on the Periodic Table?

    <p>Divides metals from nonmetals</p> Signup and view all the answers

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