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Which is a description of a pattern displayed by elements in the periodic table?
A) repetition of their physical properties when arranged by increasing atomic radius
B) repetition of their chemical properties when arranged by increasing atomic mass
C) periodic repetition of their properties when arranged by increasing atomic number
D) periodic repetition of their properties when arranged by increasing atomic mass

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Erudite1
The correction option is C. In the periodic table elements are arranged in periodic repetition of their properties using their atomic numbers.
scme1702
C.

The elements are arranged by atomic number and their properties repeat after every period.

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