Which of the following statement in relation to the hydrogen atom is correct: a. \( 3 \mathrm{~s...

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Which of the following statement in relation to the hydrogen atom is correct:
a. \( 3 \mathrm{~s}, 3 \mathrm{p} \) and \( 3 \mathrm{~d} \) orbital all have the same energy
b. \( 3 \mathrm{~s} \) and \( 3 \mathrm{p} \) orbital are of lower energy than \( 3 \mathrm{~d} \) orbital
c. Both of these
d. None of these
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