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8 Cards in this Set

  • Front
  • Back
A set of patterns in the properties of elements
Periodic Table
The average of all the isotopes of the elements
Protons and Neutrons
Patterns appeared when Mandeleev arranged the elements because of?
weight or mass
True or False?
Mandeleev also grouped elements that had similar properties
How many blank spaces did Mendeleeve's periodic table have in it?
What does periodic mean?
regularly repeating patterns
A chart of elements showing the repeating patterns of their properies is called
periodic table
The modern periodic table is now arranged according to ?
atomic number