neet exam pattern

The first classification of elements is attempted by 1. Dobereiner 2. Mendeleff 3. Mosley 4. John A.R. Newlands

According Mendeleef periodic law the proper ties of elements are the periodic functions of their …… 1. Atomic numbers 2. Atomic weights 3. Atomic sizes 4. Atomic volumes

While doing the classification Lother meyer gave more consideration to 1. The chemical properties 2. The atomic numbers 3. The physical properties 4. The atomic Nucleus

While doing the classification Mendeleef gave more consideration to 1. The Chemical properties 2. The physical properties 3. The atomic sizes 4. The atomic orbitals