The correct electron dot diagram for Aluminium (Al) is option D.
The electron dot diagram is used to to represent the valence electrons of an element.
This can also be called the Lewis dot formulas.
The Al represents the element, Aluminium, which falls under group 3 of the periodic table.
This simply means that it has 3 Valence electrons in its outermost shell.
Also, valence electrons are those electrons that are located at the outer most shell of an atom which can be donated or shared during a chemical reaction.
Therefore, the diagram that represents the electron dot diagram for Al is D because it contains 3 dots which signifies the valence electrons of Al.
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