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8 Cards in this Set

  • Front
  • Back
_______ _____ states that when the elements are arranged by ___________ atomic number, there is a periodic repetition of their chemical and physical properties.
Periodic law, increasing
__________'s law of octaves, which was never accepted by fellow scientists, organized the elements by _________ atomic mass.
Newlands, increasing
____________'s periodic table, which also organized elements by increasing atomic mass, became the first widely accepted organization scheme for the elements.
Mendeleev
_______ fixed the errors inherent in __________'s table by organizing the elements by increasing atomic ______.
Moseley, Mendeleev, number
The periodic table organizes the elements into periods (____) and groups (_______) by ________ atomic ______. Elements with similar properties are in the same _____.
rows, columns, increasing, number, group
Elements are classified as either ______, _________, or __________.
metals, nonmetals, metalloids
The stair-step line on the table separates ______ from ________.
metals, nonmetals
_________ border the stair-step line.
metalloids