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6.3 Element Families

TermDefinition
Alkali metals Group 1, 1 electron in outer level, very reactive, soft, silver, shiny, low density; Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
alkaline soultion A solution that has a pH above 7.0 (neutral)
oxidation reaction The loss of electrons from a substance involved in a chemical reaction.
reduction reaction A reaction in which a substance gains at least one electron
electrolysis the process in which an electric current is used to produce a chemical reaction, such as the decomposition of water
Insoluble incapable of being dissolved
Alkaline earth metals metallic elements in group 2 of the periodic table which are harder than the alkali metals and are also less reactive
Transition metals Groups 3-12, 1-2 electrons in the outer energy level, less reactive than alkali-earth metals, shiny, good conductor of thermal energy and electrical current, high density
smelting extract (metal) from its ore by a process involving heating and melting.
steel A form of iron that is both durable and flexible. It was first mass
Halogens the elements in group 17 of the periodic table, the most reactive non
Halides Minerals that contain a halogen ion plus one or more other elements
exothermic Chemical Reaction in which energy is primarily given off in the form of heat
Noble gases Group 18, stable elements that do not react.
superconductor a material that has almost zero resistance when it is cooled to low temperatures
Created by: Sara_Kellogg21
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