What are representative elements? from Chemistry The s-Block El

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 Multiple Choice QuestionsShort Answer Type

81.

What is magnesia cement or Sorel's cement?

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82.

What happens when a burning magnesium ribbon is introduced into a jar of carbon dioxide?

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83.

Bones contain calcium ions. What do you think which anions are associated with them?

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84.

What happens when calcium oxide is strongly heated with coke?

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85.

Why is calcium preferred over sodium to remove last traces of moisture from alcohol?

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86.

What is concrete?

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87.

What is fly ash?

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88.

What are representative elements?


The elements of s-block and p-block are collectively called a representative or main group elements. The elements of groups 1 and 2 (s-block), 13 to 18 (p-block) constitute the main group elements or representative elements.

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 Multiple Choice QuestionsLong Answer Type

89.

Name the elements of group 1. Write their electronic configurations.

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 Multiple Choice QuestionsShort Answer Type

90.

Discuss the general trends in atomic and ionic radii of alkali metals.

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