Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Determine the element's position on the periodic table
- Phosphorus (P) is located in Group 15 (VA) of the periodic table - Its atomic number is 15
Step 3:: Understand valence electron configuration
- Valence electrons are found in the outermost shell of an atom - For main group elements, the group number indicates the number of valence electrons
Step 4:: Calculate valence electrons for Group 15 elements
- The electrons in the $$3p$$ orbital are the valence electrons
- This can be confirmed by the electron configuration of phosphorus: 1s^{2} 2s^{2} 2p^{6} 3s^{2} 3p^{3}
Step 5:: Count valence electrons
- Phosphorus has $$5$$ valence electrons in its $$3p$$ orbital
Final Answer
Phosphorus has 5 valence electrons.
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