1) what is the electron configuration of an electrically neutral atom of sodium?
2) what is the electron configuration of an electrically neutral atom of neon?
3) what is the electron configuration of an electrically neutral atom of oxygen?

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

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >

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