Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7. Which two elements will exhibit similar chemical properties?
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Answer:
Element A and Element C
Explanation:
Both A & C has same number of valence electrons i.e., both belong to same group and thus will have similar chemical properties
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