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Science Terms Chapter 3

Chemical Formula Symbols that show the elements in a compound and their ratios
Chemical Name Name of a compound that indicates the elements in it
Covalent Compound Compounds such as water, in which two atoms share a pair of electrons
Endothermic Characterized by an overall absorption of energy; used to describe a chemical reaction. The prefix "Endo" means entering
Exothermic Characterized by the release of heat, light, and sound through electrical or other means; used to describe a chemical reaction. The prefix "Exo" means leaving
Ionic Compound Compounds, such as table salt, in which oppositely charged ions come together because of mutual attraction
Ionic Lattice Repeating pattern of positive and negative ions forming an ionic compound
Molecule A group of atoms in which the atoms are bound together by the sharing of one or more pairs of electrons
Multivalent Metal Metals that can form an ion in more than one way, resulting in ions with different charges. The prefix "multi-" means many
Polyatomic Ion A molecular ion composed of more than one type of atoms joined by covalent bonds. The prefix "poly-" means many
Roman Numeral Numerals based on those used by the ancient Romans
Created by: JaxsonG