Periodic Table is made to study different physical and chemical properties of elements and here you can check 2nd Year Chemistry Periods MCQs with Answers. This table has rows and columns called Periods and groups respectively. All the elements found on the earth’s crust are given in this table. There are 7 periods in the table. The elements in periods have several properties including Atomic and Ionic radius, Melting and Boiling Points, Ionization Energy, Electron Affinity, etc. They show different trends in Properties. So, if you are going to prepare for the entry test, then this is the best place. Check all the important MCQs of this chapter given below.