Question Detail
Question
How many valence electrons does carbon (atomic number 6) have?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Carbon's electronic configuration is 1s² 2s² 2p². The valence electrons are in the outermost principal energy level (n=2): 2s² 2p² → 4 valence electrons.
Hint
Group 14 element.