
Interpretation: Purpose of additional orbitals in hydrogen even if it has 1 electron is to be explained.
Concept introduction: 3-D space around nucleus in which probability of finding an electron of particular energy is maximum, is called orbital. Quantum numbers are group of 4 numbers which tell everything about electron present in an atom. Principal quantum numbers indicates principal energy level in which electron in present. It is denoted by

Answer to Problem 29A
Additional orbital are excited states of hydrogen atom which are occupied only when some discrete energy is given to it.
Explanation of Solution
Orbital is maximum probability space for electrons where it can be found. When hydrogen in ground state its electron is present in the lowest energy shell that is
So on excitation of hydrogen atom electron can occupy
Additional orbital are excited states of hydrogen atom which are occupied only when some discrete energy is given to it.
Chapter 11 Solutions
World of Chemistry
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