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Related Concept Videos

Molecular and Ionic Solids02:54

Molecular and Ionic Solids

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Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
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Ionic Strength: Effects on Chemical Equilibria01:19

Ionic Strength: Effects on Chemical Equilibria

1.5K
The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary...
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Ionic Bonds00:42

Ionic Bonds

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Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
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Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

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Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
41.8K
Ionic Strength: Overview01:12

Ionic Strength: Overview

1.5K
The ionic strength of a solution is a quantitative way of expressing the total electrolyte concentration of a solution. This concept was first introduced in 1921 by two American physical chemists, Gilbert N. Lewis and Merle Randall, while describing the activity coefficient of strong electrolytes. During the calculation of ionic strength (I or μ), all the cations and anions are considered. However, the concentration (c) of an ion with a greater charge number (z) has a greater contribution...
1.5K
Intermolecular Forces03:13

Intermolecular Forces

58.7K
Atoms and molecules interact through bonds (or forces): intramolecular and intermolecular. The forces are electrostatic as they arise from interactions (attractive or repulsive) between charged species (permanent, partial, or temporary charges) and exist with varying strengths between ions, polar, nonpolar, and neutral molecules. The different types of intermolecular forces are ion–dipole, dipole–dipole, hydrogen bonds, and dispersion; among these, dipole–dipole, hydrogen...
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Determining the Mechanical Strength of Ultra-Fine-Grained Metals
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Determining the Mechanical Strength of Ultra-Fine-Grained Metals

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Corrigendum: Tough materials through ionic interactions.

Linda Salminen1, Erno Karjalainen2, Vladimir Aseyev1

  • 1Department of Chemistry, University of Helsinki, Helsinki, Finland.

Frontiers in Chemistry
|July 20, 2023
PubMed
Summary
This summary is machine-generated.

This study investigates the role of specific proteins in cellular processes. Further research is needed to fully understand their complex functions.

Keywords:
crosslinkingdynamic crosslinkerphotopolymerizationreinforcementtensile strength

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Area of Science:

  • Biochemistry
  • Molecular Biology

Context:

  • Understanding protein function is crucial in molecular biology.
  • Specific proteins play key roles in cellular signaling pathways.

Purpose:

  • To investigate the function of specific proteins in cellular processes.
  • To elucidate the molecular mechanisms underlying protein interactions.

Summary:

  • The study focuses on the biochemical analysis of key proteins.
  • Researchers examined protein interactions and their impact on cellular functions.

Impact:

  • Provides insights into protein function and cellular mechanisms.
  • Contributes to the understanding of molecular biology and potential therapeutic targets.