development of the periodic table

Content
Leaderboard

Created by

shannon rose

Cards (4)

early periodic tables classified elements by what? why was this a problem?
atomic weight
they were incomplete & elements were placed in inappropriate groups
Mendeleev overcame some problems w the table by doing what?
leaving gaps for elements he thought were undiscovered
changed the order based on atomic weights
what did Mendeleev predict about the undiscovered elements?
properties
knowledge of what made it possible to explain why the order of atomic weights wasn't correct?
isotopes

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development of the periodic table

Cards (4)

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Module 3: Periodic Table and Energy

1.2.1 Periodicity

1.2 Mixtures

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1.2.3 Transition Metals

1.2.2 Group Properties

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