Question

Which of the following excited state electron configurations of C would require the longest wavelength of light to produce?

Question 23 options:

1s22s22p13s1


1s22s22p2


1s22s22p24s1


1s22s22p13p1

Answer 1

Answer:

Explanation:

Well ik its not math for this but for the first one if u add

22+22+13+1 u get 58

then second one 1+22+22+2=47

1+22+22+24+1=70

1+22+22+13+1=59

U notice how that most or some are all going up to 50 except the third one

So that means its 1s22s22p24s1

Answer 2

The longest wavelength is required for the excited state, 1s22s22p13s1.

According to the Bohr model, an atom absorbs energy and moves from a lower energy level to a higher energy level. Also energy is emitted when an electron moves from a higher to a lower energy level.

The lowest energy state of an atom is called the ground state. The excited state is a higher energy level. The smaller the energy difference between the energy levels, the longer the wavelength required for the transition.

Hence, the longest wavelength is required for the excited state, 1s22s22p13s1.

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