The elements on the Periodic Table of the Elements are arranged in order of increasing(1) atomic ma

August 2018 NY Regents Chemistry Exam

5 The elements on the Periodic Table of the Elements are arranged in order of increasing (1) atomic mass

(2) formula mass (3) atomic number

(4) oxidation number

Solution: The elements on the Periodic Table of the Elements are arranged in order of increasing atomic number.

Answer: 3

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