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K science 11/22/11

atoms and stuff

QuestionAnswer
atomic number number of protons in the nucleus of an atom
atomic mass total mass of the protons and nuetrons in an atom measured byatomic mass units (amu)
mass number number of protons and nuetrons in the nucleus of ans atom
energy level place in an electron cloud where an electron is most likely to be found
chemical symbol shortened way of writing the name of an element
periodic repeating pattern
group vertical column of elements in the periodic table
period horizontal row of elements in the periodic table
Metal Element that has the property of shiny luster, ductility, and malleability
Luster The way a material reflects light
Ductile Able to be drawn into thin wire
Nonmetal Element that lacks most properties of metal
malleable able to be hammered into different shapes
Created by: dance4ever1001
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