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Sasser S8P1f

Physical Science

TermDefinition
Element
Periodic Table of Elements It represents our understanding of the structure and usefulness of the atoms that have been identified in our environment
Metals shiny, solid at room temperature, high conductivity, can be flattened and not shatter (malleable)
Nonmetals not shiny, mostly gaseous at room temperature, are poor conductors, brittle and will shatter easily (not malleable or ductile)
Reactive Atoms will often take, give, or share electrons with other atoms in order to have a complete set of electrons in their outer energy level. Elements whose atoms undergo such processes are called ______________. Can combine to form compounds
Metalloids have characteristics between metals and nonmetals are solid at room temperature Metals are semi-conductors
Atomic Mass The mass of one atom of the element
Atomic Number Number of protons in one atom
Periods/Rows Each horizontal row of the table
Groups/Families often-but not always-have similar properties.
Chemical Symbol He
Created by: bsasser