Respuesta :
Base on the question, the possible answer to your questions are the following and I do hope that you are satisfied with my answer and feel free to ask for more if you have questions and clarification
#1 1s2 2s2 3p6 1s
#2 1s2 2s2 3p6
#3 1s2 2s2 3p4
#1 1s2 2s2 3p6 1s
#2 1s2 2s2 3p6
#3 1s2 2s2 3p4
Answer:
1) 1 s2 2 s2 2 p6 3 s1
2) 1 s2 2 s2 2 p6
3) 1 s2 2 s2 2 p4
Explanation:
1) Sodium is a element with 11 electrons in 3 levels of energy
2) Neon is a element with 10 electrons in 2 levels of energy
3) Oxygen is a element with 8 electrons in 2 levels of energy