Chemical synthesis | Organic & Inorganic Reactions | Britannica

Chemical compounds are made up of atoms of different elements, joined together by chemical bonds. A chemical synthesis usually involves the breaking of existing bonds and the formation of new ones.

Cellular respiration | Definition, Equation, Cycle, Process, Reactants

Cellular respiration, the process by which organisms combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life-sustaining activities and

Chemical bonding | Definition, Types, & Examples | Britannica

This article begins by describing the historical evolution of the current understanding of chemical bonding and then discusses how modern theories of the formation of chemical bonds have

Chemistry | Definition, Topics, Types, History, & Facts | Britannica

Cooking, fermentation, glass making, and metallurgy are all chemical processes that date from the beginnings of civilization. Today, vinyl, Teflon, liquid crystals, semiconductors, and

Chemical element | Definition, Origins, Distribution, & Facts | Britannica

A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is

Gold | Facts, Properties, & Uses | Britannica

gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6, of the periodic table of the elements. Gold has several qualities that have made it

Chemical Definition & Meaning | Britannica Dictionary

CHEMICAL meaning: 1 : of or relating to chemistry; 2 : working by means of chemicals

Interactive Periodic Table of the Elements | Symbols, Atomic Weights

The rate at which chemical knowledge continues to accumulate is remarkable. Over time more than 8,000,000 different chemical substances, both natural and artificial, have been characterized and

Chemical Banking Corporation | Merger, Acquisition, Rebranding

The merged company became the Chemical Banking Corporation. In 1996 the firm, which was by then the second-largest bank in the United States, merged with another New York bank, The

Chemical compound | Definition, Examples, & Types | Britannica

All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.