Precision Paradox Quiz - Structure of atom

Anomalous Electron Configurations Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. Chromium and copper exhibit anomalous electron configurations due to the extra stability provided by half-filled and fully filled d subshells. B. Elements like chromium and copper follow the expected electronic configurations as per the aufbau principle, filling the 4s orbital before the 3d. C. The unusual electron configurations of chromium and copper are attributed to the added stability of half-filled (Cr) and completely filled (Cu) d orbitals.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Zeeman Effect Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The Zeeman effect involves the splitting of a spectral line into multiple components in the presence of a magnetic field. B. In the Zeeman effect, spectral lines are split into several components when the light source is placed in a magnetic field. C. The splitting of spectral lines observed in the Zeeman effect occurs when the source of light is not subjected to any magnetic field.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Hund's Rule of Maximum Multiplicity Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. Hund's rule states that electrons fill degenerate orbitals singly with same spin before pairing up, to maximize the total spin. B. According to Hund's Rule, electrons in the same subshell prefer to occupy separate orbitals with parallel spins until all orbitals are half-filled. C. Hund's Rule indicates that electrons in a subshell fill all orbitals singly with identical spins before any orbital is doubly occupied.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Planck's Quantum Theory Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. Planck's quantum theory proposes that energy is emitted or absorbed in discrete units called quanta. B. According to Planck's Quantum Theory, energy is radiated or absorbed in a continuous manner. C. Planck's theory suggests that energy transfer occurs in fixed amounts, known as quanta, and is not continuous.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Wave-Particle Duality of Light Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. Light exhibits both wave-like and particle-like properties, a concept known as wave-particle duality. B. The wave-particle duality principle suggests that light behaves only as a wave and not as a particle. C. Wave-particle duality refers to the dual nature of light, which can be described by both wave theory and particle theory.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Hydrogen Spectrum - Balmer Series Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The Balmer series of the hydrogen spectrum includes transitions of electrons from higher energy levels to the n=2 level, producing visible light. B. Visible lines in the hydrogen emission spectrum, known as the Balmer series, are due to electron transitions from levels higher than n=2 to the second energy level. C. In the hydrogen atom, the Balmer series consists of lines due to electronic transitions from the n=2 level to higher energy states, visible in the spectrum.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Heisenberg's Uncertainty Principle Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The Heisenberg Uncertainty Principle states that it is impossible to simultaneously determine the exact position and momentum of an electron. B. According to Heisenberg's Uncertainty Principle, both the velocity and position of an electron can be precisely measured at the same time. C. Heisenberg's Uncertainty Principle implies that the more accurately we know the position of an electron, the less accurately we can know its momentum, and vice versa.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Stark Effect Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The Stark effect describes the splitting of atomic spectral lines under the influence of an external electric field. B. Spectral line splitting observed in the Stark effect is due to the application of an electric field on atoms. C. In the Stark effect, an external electric field leads to the splitting of spectral lines of atoms.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Photoelectric Effect Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The kinetic energy of photoelectrons emitted from a metal surface is independent of the intensity of the incident light. B. In the photoelectric effect, increasing the frequency of incident light increases the kinetic energy of ejected electrons, assuming the frequency is above the threshold frequency. C. The kinetic energy of photoelectrons increases with the increase in the intensity of incident light, provided the frequency of light is constant and above the threshold frequency.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct

Pauli Exclusion Principle Among the given statements conveying the same information, one of them is incorrect. Identify the incorrect statement. A. The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers. B. According to the Pauli Exclusion Principle, an atomic orbital can contain up to two electrons, each with identical quantum numbers. C. The Pauli Exclusion Principle asserts that two electrons occupying the same orbital must have opposite spins.

• A is incorrect

• B is incorrect

• C is incorrect

• All statements are correct