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• Select Copepods

  1

  Copepods

  Author:Kathryn SnavelyFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  20211,405 words Topic overview 1080LCopepods are pale or translucent crustaceans, measuring between 0.04 mm to several millimeters long. They have adapted to many different habitats; while they usually live in saltwater, copepods can live in lakes and...
• Select Coordination Compound

  2

  Coordination Compound

  Editors:Katherine H. Nemeh and Jacqueline L. LongeFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  20211,316 words Topic overview 1130LA coordination compound is formed when groups of atoms, ions, or molecules chemically bond with each other by donating and accepting pairs of electrons. Groups donating electron pairs are called ligands. They are usually...
• Select Chemical Bond

  3

  Chemical Bond

  Editors:Katherine H. Nemeh and Jacqueline L. LongeFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  20212,347 words Topic overview 1320LA chemical bond is any force of attraction that holds two atoms or ions together. In most cases, that force of attraction is between one or more electrons held by one of the atoms and the positively charged nucleus of...
• Select Complex

  4

  Complex

  Author:Rashmi VenkateswaranFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  2021543 words Topic overview 1420LA complex is a species in which the central atom is surrounded by a group of Lewis bases that have covalent bonds to the central atom. The Lewis bases that surround the central atom are generally referred to as ligands....
• Select Compound, Chemical

  5

  Compound, Chemical

  Author:David E. NewtonFrom:The Gale Encyclopedia of Science (Vol. 2. 6^th ed.)

  20212,011 words Topic overview 1270LA compound is a substance composed of two or more elements chemically combined with each other. Historically, the distinction between compounds and mixtures was often unclear. Today, however, the two can be distinguished...
• Select Ligand

  6

  Ligand

  Author:Sara G. B. fishmanFrom:The Gale Encyclopedia of Science (Vol. 4. 6^th ed.)

  20211,140 words Topic overview 1140LIn inorganic chemistry, ligands are molecules or electrically charged atoms (ions) that are bonded to metal atoms or ions. The ligand changes the metal's ability to dissolve in or react with its surroundings. In...