Find incorrect statement about modern periodic table.

In modern periodic table, The third, fourth, fifth, sixth and seventh periods have how many elements respectively?

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

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 transitio…

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…

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