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The question in the image asks for the electronic configuration of the phosphorus atom (atomic number 15). The electronic configuration describes how electrons are distributed among the atomic shells (K, L, M, etc.).

Phosphorus has an atomic number of 15, meaning it has 15 electrons to distribute. The shells are filled as follows:

1. The first shell (K) can hold up to 2 electrons.
2. The second shell (L) can hold up to 8 electrons.
3. The third shell (M) will hold the remaining 5 electrons (since 15 - 2 - 8 = 5).

Thus, the electronic configuration for phosphorus (P, atomic number 15) is:

- \( K^2 L^8 M^5 \)

So the correct answer is the option:
**\( (K)^2 (L)^8 (M)^5 \)**, which is the first option.

Would you like more details or have any questions about electronic configurations?

Here are 5 related questions to explore:
1. What is the electronic configuration of fluorine (F, atomic number 9)?
2. How do you determine the maximum number of electrons in each shell?
3. Why do electron shells fill in a specific order (K, L, M, etc.)?
4. What is the significance of valence electrons in chemical bonding?
5. How does the electronic configuration affect the chemical properties of an element?

**Tip:** The outermost shell of an atom determines its chemical reactivity and bonding behavior.

Configurația învelișului electronic pentru atomul de fosfor este?

Learn how to determine the electronic configuration of a phosphorus atom (atomic number 15) with a detailed explanation of electron distribution across atomic shells. Suitable for high school chemistry students.

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