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Based on the trends within the periodic table of elements, decide which of the following elements has the same number of orbitals?

A. Cu, Ag, Au

B. N, O, F

C. Be, Mg, Ca

D. B, Si, As

Respuesta :

Answer:

B.  N, O, F

Explanation:

Elements in same row of periodic table will have same number of orbitals.

In option A C and D elements are of different row due to which they posses different number of orbitals.

But in option B.  N, O, F are in second row of periodic table so same orbitals.

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