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Sec.3-3 & 3-4 Vocab

Sec.3-3 & 3-4 Vocab Terms

TermDefinition
diatomic molecule A molecule composed of two atoms of the same element.
halogen family Elements in family or group #17 in the periodic table. They are the most reactive group of nonmetals in the table.
metalloid/semimetal An element that has some properties of metals and some properties of nonmetals.
noble gas/inert gas An element in family or group 18 of the periodic table. They are very non-reactive.
nonmetal Elements that have properties that are the opposite properties of metals (ie. poor conductors of heat & electricity.
semiconductor An element that can conduct electricity under certain conditions.
nuclear fusion The process in which smaller nuclei combine into larger nuclei, forming heavier elements. This process occurs naturally on the Sun.
plasma A state of matter in which atoms are stripped of their electrons and the nuclei are packed close together. It is the most abundant form of matter in the universe.
supernova An explosion of a massive star, reaching temperatures of 1 billion degrees celcius.
Created by: LarryMoran
 

 



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