Modern Periodic Law — Prelims Questions

Which of the following statements correctly describes the Modern Periodic Law?

Henry Moseley's work on X-ray spectra of elements led to the conclusion that:

Which of the following anomalies of Mendeleev's periodic table was resolved by the Modern Periodic Law?

According to the Modern Periodic Law, the chemical properties of elements are primarily determined by their:

Which of the following statements about isotopes is correct in the context of the Modern Periodic Law?

If an element X has an atomic number of 17, according to the Modern Periodic Law, its chemical properties would be most similar to an element with atomic number: