bra1nburn9ike bra1nburn9ike 23-09-2016 Physics contestada Which of the following electron configurations for neutral atoms is correct? helium: 1s1, 1p1 nitrogen: 1s2, 2s2, 2p3 silicon: 1s2, 2s2, 3s2, 2p63p2 the third sub-level Li