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Which one of the following elements exhibit a maximum number of valence electrons?
- Na
- Al
- Si
- P
Correct answer: (d) P
Explanation: Phosphorus (P) has the maximum number of valence electrons.
As the Electronic configuration of P (15) : 2 8 5
Sodium (Na) has 1, Silicon has 4, and Aluminium (Al) has 3.
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