किसी श्रेणी में संक्रमण तत्त्वों की परमाणु त्रिज्या किस प्रकार परिवर्तित होती है?
किसी श्रेणी में संक्रमण तत्त्वों की परमाणु त्रिज्या किस प्रकार परिवर्तित होती है?
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