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Grade 11,

Justify the positive and negative signs in various parts of dxy, px py, par,orbitals.do these sign have any relation to charge?

Justify the positive and negative signs in various parts of dxy, px py, par,orbitals.do these sign have any relation to charge?

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago

“Atomic orbitals come from treating electrons with the mathematics of waves, so orbitals have phase signs, like waves.

  • A positive sign means a positive displacement of the wave ("up") and a negative sign means a negative displacement ("down").
  • So that we do not confuse these signs with plus and minus charges, it is customary to represent signs with colors. Which colors doesn't matter, as long as we choose one color for positive and some other color for negative.

A p orbital, consists of two parts, usually called lobes. The two parts have opposite phase signs; which is positive and which negative is irrelevant. All that is significant is that they are opposite.”

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