1.

The formula of the compound is A_2B_5 . The number of electrons in the outermost orbits of A and B respectively are (1) 6 and 3 (2) 5 and 6 (3) 5 and 2 (4) 2 and 3

Answer» The formula of the compound is A_2B_5 . The number of electrons in the outermost orbits of A and B respectively are (1) 6 and 3 (2) 5 and 6 (3) 5 and 2 (4) 2 and 3


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