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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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One bit of evidence that the present theory of atomic structure is “correct” lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit paramagnetism. The degree to which this effect is observed is directly related to the number of unpaired electrons present in the 3mm . On the basis of the electron orbital diagrams for the following elements. Indicate which atoms would be expected to be paramagnetic, and tell how many unpaired electrons each atom contains“

>a. phosphorus, Z = 15

iodine, Z = 53

germanium, Z = 32

Interpretation Introduction

(a)

Interpretation:

The atom which is expected to be paramagnetic is to be predicted on the basis of electron orbital diagrams. The number of unpaired electrons in the given atom is to be stated.

Concept Introduction:

Paramagnetic materials are those which are feebly attracted by the magnets. The atomic orbitals of these materials have unpaired electrons due to which they are partially filled. The atomic number of an element depends on the presence of number of electrons in an atom. The atomic number of an element is represented by Z.

Explanation

The given element is phosphorous. The atomic number of phosphorous is 15.

The electronic configuration describes the number of electrons present in each shell of the element. The atomic number is the total sum of all the electrons present in an atom.

The electronic configuration of phosphorous is shown below.

P(Z=15):1s22s2

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