Question

Q.1 State and Modern Periodic Law . Draw a rough sketch of the Modern Periodic Table labell the following in it . (1) NORMAL ELEMENT ( 2 ) TRANSITION METALS . (3) ALKALI METALS. (4) ACTINOLDS​

Answer 1

The modern Periodic law can be stated as: “The physical and chemical properties of the elements are periodic functions of their atomic numbers”. The atomic number is equal to the number of electrons or protons in a neutral atom.”