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Vocab Quiz #1

TermDefinition
atomic number # protons in the nucleus of an atom
isotope An atom with same # protons and a different # neutrons from other atoms of same element
mass number Sum of protons in the nucleus of an atom
model A diagram that helps explain ideas about the natural world
atomic mass Average mass of all isotopes of an element
period Horizontal row of elements in the periodic table
group Elements in the same vertical column of the periodic table
chemical symbol 1 or 2 letter representing of an element
Created by: bluesister908
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