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नीचे दिये गये प्रश्न के लिए अनुच्छेद
One of the notable features of transition elements is the great variety of oxidation states. Highest oxidation states occur in or near the middle of the series. The ability of oxygen to stabilise the highest oxidation state is demonstrated in oxides. The highest oxidation number in the oxides coincides with the group number.Q. Element of first transition series which does not exhibit variable oxidation states is
प्रश्न - प्रथम संक्रमण श्रेणी का तत्व जो परिवर्तनीय ऑक्सीकरण अवस्थाएं नहीं दर्शाता, वह है