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जिस परमाणु की बाह्य कक्षा में इलेक्ट्रॉनों की संख्या पूर्ण होती है, उसकी संयोजकता ______ होती है।

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जिस परमाणु की बाह्य कक्षा में इलेक्ट्रॉनों की संख्या पूर्ण होती है, उसकी संयोजकता ______ होती है।






 
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