Flag 10 grade science> 110. H, Li. Na, K placed in group. Why? [...
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110. H, Li. Na, K placed in group. Why? [CBSE 2015]

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati
Answer: Explanation: Tt is because they have same number of valence electron i.e. 10
Last Activity: 4 Years ago
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