Question

which element does the electron configuration 1s²2s²2p² represent?
o b
o c
o n
o k

Explanation:

Step1: Count total electrons

Add up the exponents. $2 + 2+ 2=6$.

Step2: Identify element

The atomic number (number of protons = number of electrons in a neutral atom) is 6, which corresponds to carbon (C).

Answer:

B. C