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Q:

What is called nodal surface or node?

  • 1
    maximum point
  • 2
    wave function
  • 3
    the probability density becomes zero.
  • 4
    lowest point
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Answer : 3. "the probability density becomes zero."
Explanation :

A nodal surface, also called a radial node, is a hollow spherical region that cannot contain electrons. A nodal plane is also called an angular node, which is either a plane where electrons cannot occur, or a conical surface (d z 2 orbital).

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