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Question

The number of electrons lost by Al atom to complete it's octet is equal to which elements atomic number?


A

Sodium

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B

Magnesium

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C

Beryllium

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D

Lithium

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Solution

The correct option is D

Lithium


The Aluminium metal loses three electrons and the element with atomic number 3 is Lithium.

Aluminium being a metal loses electrons and it loses 3 electrons to achieve the electronic configuration or octet of Neon.


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