Orbitals are defined as the mathematical function used to identify the probability of an electron of an atom in a specific region. The orbitals are s, p, d, and f.
The correct statement for the given blank is:
For d orbitals, 2 lobes have positive signs while the other 2 have negative signs, showing that the opposite lobes have the same sign.
D-orbitals have 5 lobes, in which two lobes have positive signs and 2 lobes have negative signs.
The orbitals have positive and negative signs, as they represent the positive displacement of the wave, whereas negative displacement (down) of the wave is represented by the negative sign.
Therefore, the correct answer is d-orbitals.
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