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chemistry ch 16.2

mr halls class flashcards

QuestionAnswer
What is atomic mass? The average mass of all the element's isotopes
What is the Periodic Table? The chart that holds, categorizes, and organizes all of the elements discovered
What is a group? The elements in columns on the periodic table
What is a period Each horizontal row in the periodic table
Who was the person that first published a periodic table of elements? Dmitri Mendeleev
What was Mendeleev's bold prediction that was eventually proved to be right? His prediction was that he predicted and wrote down the atomic mass of elements that had yet been discovered
Created by: emmazebra14
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