Question: The electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 signifies the ground state of the element
A: V
B: Ti
C: Co
D: Ca
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Add stress words which are capitalized. Limit those stress words for less than 3 times.
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