Question

The electronic configuration of an atom is as follows 1s 2s 2p2. a) Which element's atom is it? . b) Name the orbital in which last electron enters c) When excited what could be the number of lone/single pair electrons in the atom? d) What is the value of principal quantum numbers of two electrons in the first orbital? e) Which rule violates if there exists only 1 electron in the first orbit?​

Answer 1

Answer:

a) it is Nitrogen's atom

b) p orbital

c) 1 lone pair

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