The maximum number of electrons in an atom and their specified orbital are to be determined. Concept introduction: Principle quantum number describes the size of orbital by determining the number of shells in which the electron revolves in an atom. It is denoted by n . Azimuthal quantum number confirms the shape of atomic orbital by determining the number of subshells or orbitals in which the electron revolves. It is denoted by l . 0 , 1 , 2 , 3 represent s , p , d , f orbitals ( l = n − 1 ) . Magnetic quantum number describes the orientation of orbitals in space. It is denoted by m l . For any l , m = 2 l + 1 . Electron spin quantum number specifies the direction in which the electron spins. There are two directions in which the electron spins opposite each other. m s has two possible values, + 1 2 and − 1 2 .

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Chapter 6, Problem 101AP

Interpretation Introduction

Interpretation:

The maximum number of electrons in an atom and their specified orbital are to be determined.

Concept introduction:

Principle quantum number describes the size of orbital by determining the number of shells in which the electron revolves in an atom. It is denoted by n.

Azimuthal quantum number confirms the shape of atomic orbital by determining the number of subshells or orbitals in which the electron revolves. It is denoted by l. 0, 1, 2, 3 represent s,p,d,f

orbitals (l = n−1).

Magnetic quantum number describes the orientation of orbitals in space. It is denoted by ml. For any l, m = 2l+1.

Electron spin quantum number specifies the direction in which the electron spins. There are two directions in which the electron spins opposite each other. ms has two possible values, +12

and −12.

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