Question

. What types of noncovalent bonds hold together the following solids? (a) Table salt $(\mathrm{NaCl}),$ which contains $\mathrm{Na}^{+}$ and $\mathrm{Cl}^{-}$ ions. (b) Graphite (C), which consists of sheets of covalently bonded carbon atoms.

Name: Problem 3, Chapter 1: Biochemistry
Uploaded: 2020-09-27T16:22:35-08:00
Duration: 2 min 33 s
Channel: Dr. Seema Kelotra
Description: . What types of noncovalent bonds hold together the following solids? (a) Table salt (NaCl), which contains Na^+ and Cl^- ions. (b) Graphite (C), which consists of sheets of covalently bonded carbon atoms.

    . What types of noncovalent bonds hold together the following solids?
(a) Table salt $(\mathrm{NaCl}),$ which contains $\mathrm{Na}^{+}$ and $\mathrm{Cl}^{-}$ ions.
(b) Graphite (C), which consists of sheets of covalently bonded carbon atoms.

Biochemistry

Jeremy M. Berg, John… 8th Edition

Chapter 1, Problem 3

Instant Answer

Solved by Expert Dr. Seema Kelotra

09/27/2020

Step 1

In the case of table salt (NaCl), it is composed of sodium (Na) and chloride (Cl) ions. Sodium has one electron in its outermost shell, while chloride has seven. Show more…

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. What types of noncovalent bonds hold together the following solids? (a) Table salt $(\mathrm{NaCl}),$ which contains $\mathrm{Na}^{+}$ and $\mathrm{Cl}^{-}$ ions. (b) Graphite (C), which consists of sheets of covalently bonded carbon atoms.

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Key Concepts

Ionic Bonding

Ionic bonding is the electrostatic attraction between oppositely charged ions. In solids like table salt (NaCl), the Na? and Cl? ions are arranged in a regular lattice, and the strong Coulombic forces between these ions hold the structure together, despite not involving the sharing of electrons as in covalent bonds.

London Dispersion Forces

London dispersion forces are weak intermolecular attractions arising from temporary dipoles created when electron clouds fluctuate. In graphite, while the atoms within each layer are covalently bonded, the layers themselves are held together by these dispersion forces, allowing the layers to slide over one another and giving graphite its characteristic lubricating properties.

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