Name the radio active element in group 1. How does it resemble w

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 Multiple Choice QuestionsShort Answer Type

11.

Why alkali metals do not form M2+ ions?

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12.

Name the radio active element in group 1. How does it resemble with the remaining elements of the group?


Francium, It resembles with remaining elements in its valence shell configuration (ns1).
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13.

Why alkali metals are normally kept in kerosene oil?

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14.

Why lithium cannot be stored in kerosene?

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15.

Why does lithium form complexes?

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16.

Why are alkali metal ions diamagnetic and colourless?

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17.

Why are alkali metals the most electropositive in nature?

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18.

Find out the oxidation state of sodium in Na2O2

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19. Explain why is sodium less reactive than potassium.
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20.

What happens when Magnesium is burnt in the air ?

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