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The number of nodal planes in 2px orbital is. (a) 1 (b) zero (C) two (d) none of the above This is answer 'A' con you explan in.?
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The number of nodal planes in 2px orbital is. (a) 1 (b) zero (C) two (...
**The number of nodal planes in 2px orbital is 1.**

Explanation:
- The 2px orbital is a type of atomic orbital that belongs to the p subshell. It has a dumbbell shape, with the x-axis passing through the center of the nucleus.
- Nodal planes are imaginary planes where the probability of finding an electron is zero. They are regions in space where the wave function of the electron changes sign.
- The 2px orbital has one nodal plane passing through the center of the nucleus and perpendicular to the x-axis.
- The nodal plane divides the orbital into two lobes, with one lobe on each side of the plane.
- The nodal plane is a result of the phase change of the wave function along the x-axis. One lobe of the orbital has a positive phase (constructive interference) while the other lobe has a negative phase (destructive interference).
- The nodal plane has the equation y = 0, which means that the electron density is zero along the y-axis.
- The nodal plane is a feature specific to the 2px orbital and is not present in other atomic orbitals such as the 2s or 2py orbitals.
- It is important to note that the number of nodal planes in an orbital is related to the quantum numbers associated with the orbital. In the case of the 2px orbital, the principal quantum number (n) is 2, the azimuthal quantum number (l) is 1, and the magnetic quantum number (ml) can be -1, 0, or 1. These quantum numbers determine the shape and orientation of the orbital, including the presence of nodal planes.
Community Answer
The number of nodal planes in 2px orbital is. (a) 1 (b) zero (C) two (...
For any orbital the number of nodal planes = L (Azimuthal quantum number). Here Azimuthal quantum number for p orbital is '1'. Therefore the number of nodal planes in 2px orbital is '1'. Hence the answer is option A.
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Read the following text and answer the following questions on the basis of the same:Band theory of solid:Consider that the Si or Ge crystal contains N atoms. Electrons of each atom will have discrete energies in different orbits. The electron energy will be same if all the atoms are isolated, i.e., separated from each other by a large distance. However, in a crystal, the atoms are close to each other (2 Å to 3 Å) and therefore the electrons interact with each other and also with the neighbouring atomic cores. The overlap (or interaction) will be more felt by the electrons in the outermost orbit while the inner orbit or core electron energies may remain unaffected. Therefore, for understanding electron energies in Si or Ge crystal, we need to consider the changes in the energies of the electrons in the outermost orbit only. For Si, the outermost orbit is the third orbit (n = 3), while for Ge it is the fourth orbit (n = 4). The number of electrons in the outermost orbit is 4 (2s and 2p electrons). Hence, the total number of outer electrons in the crystal is 4N. The maximum possible number of outer electrons in the orbit is 8 (2s + 6p electrons). So, out of the 4N electrons, 2N electrons are in the 2N s-states (orbital quantum number l = 0) and 2N electrons are in the available 6N p-states. Obviously, some p-electron states are empty. This is the case of well separated or isolated atoms.Q. In a crystal, the distance between two atoms is

Read the following text and answer the following questions on the basis of the same:Band theory of solid:Consider that the Si or Ge crystal contains N atoms. Electrons of each atom will have discrete energies in different orbits. The electron energy will be same if all the atoms are isolated, i.e., separated from each other by a large distance. However, in a crystal, the atoms are close to each other (2 Å to 3 Å) and therefore the electrons interact with each other and also with the neighbouring atomic cores. The overlap (or interaction) will be more felt by the electrons in the outermost orbit while the inner orbit or core electron energies may remain unaffected. Therefore, for understanding electron energies in Si or Ge crystal, we need to consider the changes in the energies of the electrons in the outermost orbit only. For Si, the outermost orbit is the third orbit (n = 3), while for Ge it is the fourth orbit (n = 4). The number of electrons in the outermost orbit is 4 (2s and 2p electrons). Hence, the total number of outer electrons in the crystal is 4N. The maximum possible number of outer electrons in the orbit is 8 (2s + 6p electrons). So, out of the 4N electrons, 2N electrons are in the 2N s-states (orbital quantum number l = 0) and 2N electrons are in the available 6N p-states. Obviously, some p-electron states are empty. This is the case of well separated or isolated atoms.Q. For Silicon and Germanium the outermost orbits are respectively

The number of nodal planes in 2px orbital is. (a) 1 (b) zero (C) two (d) none of the above This is answer 'A' con you explan in.?
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