Niobium belongs to the chemical elements belonging to group 05 i.e. transition metals. Tantalum, vanadium and dubnium are other members of group V of the periodic table. The periodic table is commonly used by chemists, researchers and chemistry students due to its arrangement of elements in periods and group. It also helps in differentiating between two elements. Occurrence of Niobium: Niobium is known as the 34th most abundant element in the earth. It is also said that existing of niobium in earth is greater while the high density of element is present in the earth’s core. The free niobium is not
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