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7 Cards in this Set

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Semiconductor
an element that can act as either a conductor or an insulator, depending on the situation. Used for microchips
Alkali Metal
An element in group 1. Extremely reactive
Alkaline Earth Metals
elements in group 2. Very reactive
Transition metal
an element in group 3-12. Colored ions
noble gas
element in group 18. They are nonreactive
Halogen
Elements in group 17. They are extremely reactive
Stock System
A method for naming ions of elements that can form more then one possible positive charge by using a roman numeral