Periodic Table and Periodicity of Properties – Chemistry 9th – Level 2

Periodic Table and Periodicity of Properties - Level 2

1. His periodic table was the first attempt to arrange the elements.
2. Based on periodic Law a periodic table developed in which vertical columns are called:
3. In periodic table, horizontal lines are called:
4. In 1869, he proposed a periodic law based on physical and chemical properties empirically.
5. Periodic law states that "The properties of the elements are a periodic function of their:
6. It is a fundamental property because it increases reçularly from element to element and is fixed for every element.
7. In the periodic table, the atomic number increases from:
8. In 1913, he discovered that Atomic number is the basic property of an atom.
9. He proposed a modern periodic law.
10. The long form of periodic table composed with: