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in Chemistry by (122k points)
लीथियम का रसायन Mg के लगभग समान होता है जबकि इन्हें भिन्न समूहों में रखा गया है । इसका कारण है -
A. उनके परमाणु आकार का समान होना
B. इनके आवेश/आकार अनुपात का समान होना
C. उनका इलेक्ट्रॉनिक विन्यास समान होना
D. उनकी प्रकृति में एक साथ उपस्थिति ।

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