Hydride

In chemistry, a is a compound where hydrogen is bonded to another element. While we often think of hydrogen as a positive ion ( H+cap H raised to the positive power ), in many hydrides, it acts as a hydride anion ( H−cap H raised to the negative power

: Formed when hydrogen bonds with non-metals or less electropositive elements. Common examples include familiar substances like water ( H2Ocap H sub 2 cap O ), ammonia ( NH3cap N cap H sub 3 ), and methane ( CH4cap C cap H sub 4 2. High-Tech Applications hydride

Hydrides aren't just lab curiosities; they are workhorses in modern technology: In chemistry, a is a compound where hydrogen

: Formed when hydrogen bonds with highly electropositive alkali or alkaline-earth metals (like sodium or calcium). These are typically high-melting, reactive solids that release hydrogen gas violently when they touch water. This unique state makes hydrides essential for everything

Hydrides are generally categorized by the type of chemical bond they form with other elements:

), a negatively charged ion with two electrons. This unique state makes hydrides essential for everything from cleaning lab equipment to powering future spacecraft. 1. The Three Faces of Hydrides

: Formed with transition metals like palladium or titanium. In these, hydrogen atoms actually "squeeze" into the gaps (interstices) of the metal's crystal lattice. This creates a material that can act like an alloy and conduct electricity.