How many electrons does an aluminum atom have
Subject : Physics
Question:
How many electrons does an aluminum atom have?
Expert Verified Solution:
To determine how many electrons an aluminum atom has, follow these steps:
1. Identify the Atomic Number:
- The atomic number of aluminum (Al) is 13. This number represents the number of protons in the nucleus of an aluminum atom.
2. Understand the Electron Count:
- In a neutral atom, the number of electrons equals the number of protons to balance the
- positive and negative charges.
Therefore, an aluminum atom has 13 electrons.
3. Explanation:
- These 13 electrons are arranged in specific energy levels or electron shells around the nucleus. For aluminum, the typical electron configuration is 2 electrons in the first shell, 8 in the second, and 3 in the third shell.
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