1. The horizontal rows and the vertical columns in the periodic table are termed as respectively?
2. Mendeleev's periodic law states that the properties of elements are the periodic function of their . . . . . . . .
3. In the modern periodic table, zigzag lines . . . . . . . . separates
4. Elements present in the third period have . . . . . . . . orbitals.
5. The first and second group of modern periodic table are called?
6. Name the chemist who proved that the atomic number of an element is a more fundamental property than its atomic mass, which led to modification in the Mendeleev's Periodic Law table?
7. The 2nd and 3rd period has?
8. In Mendeleev's periodic table, the horizontal rows is called . . . . . . . . .?
9. Non-metals like sulphur and chlorine are found in the periodic table.
10. An element is placed in a periods with electronic configuration of 2, 8, 8, 2. In modern periodic table it is periods . . . . . . . .
Read More Section(Periodic Classification of elements)
Each Section contains maximum 100 MCQs question on Periodic Classification of elements. To get more questions visit other sections.