https://file.aiquickdraw.com/mathbot/file/1725893166759a6xltkyv.jpg

To solve the problem in the image, let's break down the information:

1. **Element:** Aluminum (Al)
2. **Atomic Number:** 13 (This tells us the number of protons and, for a neutral atom, the number of electrons as well).
3. **Atomic Mass:** Approximately 27 (when rounded from 26.9815 to the nearest whole number).

### Steps to Solve:

- **Number of Protons:** The atomic number gives the number of protons, so there are **13 protons**.
- **Number of Electrons:** In a neutral atom, the number of electrons is equal to the number of protons, so there are **13 electrons**.
- **Number of Neutrons:** The number of neutrons is found by subtracting the atomic number from the atomic mass. Since the atomic mass is approximately 27, the number of neutrons is \(27 - 13 = 14\).

### Conclusion:
- **Protons:** 13
- **Neutrons:** 14
- **Electrons:** 13

The correct answer is the last option: **Protons: 13, Neutrons: 14, Electrons: 13**.

Would you like more details or have any questions? Here are some related questions to consider:

1. What would happen if the aluminum atom had an extra electron?
2. How does the number of neutrons affect the stability of an atom?
3. What are isotopes and how do they relate to atomic mass?
4. How do you determine the number of neutrons in an isotope with a known atomic number and atomic mass?
5. Why is the atomic mass of aluminum not a whole number?

**Tip:** The atomic number is always the number of protons in an atom, and in a neutral atom, it's also the number of electrons.

How many protons, neutrons, and electrons does a neutral atom of aluminum have? (round atomic mass to nearest whole number)

Learn how to determine the number of protons, neutrons, and electrons in a neutral atom of aluminum. This example rounds the atomic mass of aluminum and uses its atomic number to solve for subatomic particles. Ideal for students in Grades 9-10.

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