Phosphorus vs. Silicon: Comparing Outer Electrons

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Phosphorus vs. Silicon: Comparing Outer Electrons - Chemistry Explained

Phosphorus has more outer electrons than silicon. Here's why:

* Phosphorus (P) is in Group 15 (also known as Group 5A) of the periodic table. Elements in this group have 5 valence electrons (outer electrons).

* Silicon (Si) is in Group 14 (also known as Group 4A). Elements in this group have 4 valence electrons.

Therefore, phosphorus has one more outer electron than silicon.

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