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Chapter 3 section 1

QuestionsAnswer
atomic mass the total number of protons and neutrons in the nucleus of the atom. the average mass of one atom of an element
atomic mass unit a unit which is used to represent the mass of one proton or neutron
atomic number the number of protons in the nucleus of an atom
chemical symbol a tiny, negatively charged particle that moves around the nucleus of an atom
family a vertical column of elements in the periodic table which have the same number of valence electrons and other similar properties
Created by: glamorouschikxo
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