Aryan1676 Aryan1676 15-03-2024 Chemistry contestada The electron configuration notation for na is: A. 1s 2 2s 2 2p 6 B. 1s 2 2s 2 C. 1s 2 2s 2 2p 6 3s D. 1s 2 2s 2 2p 6 3s 2 E. 1s 2 2s 2 2p 5