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Vocabulary

PS4

TermDefinition
Metal An element that is shiny and that conducts heat and electricity well.
Nonmetal An element that conducts heat and electricity poorly.
Metalliod Elements that have properties of both metals and nonmetals.
Periodic Law The law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements.
Proton A subatomic particle that has a positive charge and that is found in the nucleus of an atom.
Neutron A subatomic particle that has no charge and that id found in the the nucleus of an atom.
Electron A subatomic particle that has a negative charge.
Atomic Symbol The number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Also called proton number.
Created by: Lnh