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Ch 4, Les 2

Voc.

QuestionAnswer
symbol one or two letters that represent the name of an element
periodic table an arrangement of elements by increasing atomic number
isotope one of a group of atoms of an element with the same number of protons and electrons, but different numbers of neutrons
deuterium an isotope of hydrogen that has one proton and one neutron
tritium an isotope of hydrogen that has one proton and two neutrons
atomic mass the average mass of all the isotopes of a particular element
family a group of elements with similar properties, arranged together in a column of the periodic table
Created by: ldydye1
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