Brief History of Development of Periodic Table — Prelims Questions

Which of the following scientists proposed the 'Law of Octaves' for the classification of elements?

Which of the following statements is a demerit of Mendeleev's Periodic Table?

Which of the following pairs of elements is an example of an 'anomalous pair' in Mendeleev's Periodic Table?

Henry Moseley's work on X-ray spectra led to the conclusion that a more fundamental property of an element than atomic mass is its:

According to the Modern Periodic Law, the properties of elements are a periodic function of their:

Which of the following statements about Newlands' Law of Octaves is INCORRECT?