Apply the rules and principles of electron configuration to draw the orbital diagram of aluminum. use the periodic table to you.

The electronic configuration of Aluminum is 2,8,3.

Aluminum is a metallic element belonging to group 3 of periodic table. Its atomic number is 13.

The rules of electronic configuration is

A. The maximum number of electrons a shell can hold is determined by 2n² where n is the shell number numbered from the one as 1 which is nearest to the nucleus.

B. Each shell has some subshells which actually holds the electrons. Shell 1 has only s subshell where as shell 2 has s and p subshells and so on.

C. Afbau's principle states which subshell of which shell is first filled. For example, 4s subshell is filled before 3d subshell which is stated by Afbau's principle.

The atomic number 13 is filled like- 1st shell has 2 electrons, 2nd shell has 8 electrons and 3rd shell has 3 electrons.

It is also represented as 1s², 2s²,2p⁶, 3s² 3p¹.

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Explanation: