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