Consider the following statements relating to the Modern Periodic Table: 1. The atomic radius increases on moving from left to right across a period. 2. Germanium, Tellurium, and Copper are transition metals. 3. The two isotopes of Chlorine occupy the same position in the periodic table. 4. The metallic property of Ca, Ba, Be and Sr follows the order: Be < Ca < Sr < Ba. Which of the statements given above is/are correct?

Consider the following statements with respect to noble metals : 1. Noble metals are found in pure form in nature. 2. Uranium and lead are examples of noble metal. Which of the above statements is ar…

Consider the following statements: Statement I: Some rare earth elements are used in the manufacture of flat television screens and computer monitors. Statement II: Some rare earth elements have phos…

Consider the following statement: "Atomic number of an element is a more fundamental property than its atomic mass." Who among the following scientists has made the above statement?

Element X forms a chloride with the formula XCl₂, which is a solid with high melting point. X would most likely be in the same group of periodic table as

In which of the following pairs are the element found in the same period of the periodic table?