Chemistry · Modern periodic law and present form of the periodic table

The modern periodic table is ordered on the basis of:

The modern periodic table is ordered on the basis of:

  • A. atomic mass
  • B. atomic radius
  • C. atomic charge
  • D. atomic number

Step-by-step solution

The modern periodic table is arranged in order of increasing atomic number, as established by Moseley's law. This replaced earlier versions based on atomic mass. The modern periodic law states that the properties of elements are periodic functions of their atomic numbers.
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