Chapter 25, Problem 103A

Interpretation Introduction

Interpretation: The question is to identify the bonds between each pair of atoms as ionic or covalent.

Concept Introduction: A covalent bond forms between two nonmetals, whereas an ionic bond forms between a metal and a non-metal.

Answer to Problem 103A

The type of bond between carbon and silicon is covalent, calcium and fluorine is ionic, sulfur and nitrogen is covalent, and bromine and cesium is ionic.

Explanation of Solution

Given information:

a. carbon and silicon

b. calcium and fluorine

c. sulfur and nitrogen

d. bromine and cesium

Like carbon, silicon (Si) is tetravalent in nature (C). It may therefore readily share all four of its valence electrons with other atoms or molecules to create covalent bonds with them.

Ionic bonds are what connect calcium and fluorine together. The fluorine anions are arranged in a straightforward cubic array in the ionic crystal of calcium fluoride, whereas the calcium cations occupy half of the cubic sites.

In sulfenamides, the nitrogen and sulfur atoms that make up the S-N bond each contain lone pairs of electrons in their outer shells—one for nitrogen and two for sulfur. It is a covalent compound as a result.

The chemical formula for cesium bromide, sometimes known as cesium bromide, is CsBr. It is an ionic compound of cesium and bromine.

Conclusion

Hence, types of bonds between the given elements are found.