Marialourdesrecto257viz Marialourdesrecto257viz Science Answered 31. Which of the following pairs is NOT true? |. Jhon Newlands: Law of Triads II. Johann Dobereiner Law of Octaves III. Dmitri Mendeleev: Properties of elements are periodic functions of their atomic masses IV. Henry Mosely: Properties of elements are periodic functions of their atomic number.1. | & ||2. ||| & |V3. || & |V4. | & |||