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Related Concept Videos

Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

47.0K
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. 
47.0K
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

19.2K
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...
19.2K
Ionic Bonds00:42

Ionic Bonds

125.0K
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...
125.0K
Formation of Complex Ions03:45

Formation of Complex Ions

24.9K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
24.9K
Solubility of Ionic Compounds02:55

Solubility of Ionic Compounds

66.9K
Solubility is the measure of the maximum amount of solute that can be dissolved in a given quantity of solvent at a given temperature and pressure. Solubility is usually measured in molarity (M) or moles per liter (mol/L). A compound is termed soluble if it dissolves in water.
66.9K
Precipitation Reactions03:10

Precipitation Reactions

60.6K
In a precipitation reaction, aqueous solutions of soluble salts react to give an insoluble ionic compound – the precipitate. The reaction occurs when oppositely charged ions in solution overcome their attraction for water and bind to each other, forming a precipitate that separates out from the solution. Since such reactions involve the exchange of ions between ionic compounds in aqueous solution, they are also referred to as double displacement, double replacement, exchange reactions, or...
60.6K

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Updated: Nov 18, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
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From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

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Materials Synthesis in Ionic Liquids.

Michael Ruck1,2

  • 1Faculty of Chemistry and Food Chemistry Technische Universität Dresden, 01062, Dresden, Germany.

Chemistryopen
|February 10, 2021
PubMed
Summary
This summary is machine-generated.

The German Research Foundation

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Area of Science:

  • Materials Science and Chemistry

Background:

  • Overview of the German Research Foundation's priority program 'Synthesis near Room-Temperature' (SPP 1708).
  • Program established in 2014 to advance chemical synthesis methodologies.

Discussion:

  • Highlights research efforts focused on developing novel synthetic routes operating at ambient temperatures.
  • Explores the challenges and breakthroughs in low-temperature chemical reactions.

Key Insights:

  • Successful development of innovative synthesis techniques applicable under mild conditions.
  • Demonstrates the feasibility and advantages of room-temperature synthesis in various chemical fields.

Outlook:

  • Future directions for research in energy-efficient and sustainable chemical synthesis.
  • Potential impact of room-temperature synthesis on industrial chemical processes and green chemistry.