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 phosphorescent properties. Which one of the following is correct in respect of the above statements?

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 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?

Identify the correct pair of elements among the following which are liquid at room temperature and standard pressure.

Which one of the following is the correct order of the valencies of elements Ne, Si, N and Mg?

Which one among the following are the correct symbols for the elements gold, tin and lead, respectively?