Question:
The electronic configuration of an element is 2, 8, 7. What is the atomic number of the element?
The electronic configuration of an element is 2, 8, 7. What is the atomic number of the element?
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The atomic number corresponds to the number of electrons or protons in an element.
Updated On: Oct 28, 2025
- 10
- 11
- 17
- 19
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The Correct Option is C
Solution and Explanation
The atomic number is the total number of electrons in an atom. With the configuration 2, 8, 7, the atomic number is 17.
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