Electronic Structure of Atoms Quiz

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Questions and Answers

Who proposed that matter in motion should have the properties of a wave?

Davisson and Gerner

G.P. Thomson

Louis de Broglie (correct)

J.J. Thomson

What did the experiment by Davisson and Gerner, and G.P. Thomson demonstrate?

Electrons are electromagnetic waves

Electrons are particles with no wave properties

Electrons have wave-like characteristics (correct)

Electrons are sound waves

What is the result of the transitions of electrons between energy levels in an atom?

Line spectrum for an atom (correct)

Diffraction spectrum for an atom

Continuous spectrum for an atom

No effect on the spectrum

Which physicist proposed that matter in motion should have wave-like properties?

Louis de Broglie Signup and view all the answers

What is the name given to the waves proposed to be exhibited by matter in motion?

Matter waves Signup and view all the answers

Who performed an experiment demonstrating that electrons have wave-like characteristics?

Davisson and Gerner, and G.P. Thomson Signup and view all the answers

What did Erwin Schrodinger apply de Broglie's theory to?

The movement of the electron in Niels Bohr's atom Signup and view all the answers

What did Niels Bohr propose about the electrons in an atom?

Electrons revolve around the nucleus of an atom Signup and view all the answers

What do Quantum Numbers give information about?

The atomic orbital where an electron may be found Signup and view all the answers

What does the Principal Quantum Number (n) indicate?

The average distance of the electron from the nucleus of an atom or the main energy level Signup and view all the answers

What does Azimuthal Quantum Number (l) indicate?

The subshell in which the electron moves Signup and view all the answers

What is Atomic Orbitals?

The volume of space wherein the electrons are most likely located or where electrons may be found Signup and view all the answers

What does Spin Quantum Number (ms) indicate?

(ms) indicates the direction of spin of the electrons in the orbital Signup and view all the answers

What is Quanta?

The smallest amount of energy that can be absorbed or released by an object. Signup and view all the answers

According to Schrodinger's Wave Equation, what does an atomic orbital represent?

Distance from the nucleus Signup and view all the answers

What is meant by 'the arrangement of electrons' as per the text?

Electrons are distributed in different main energy levels, sublevels, and atomic orbitals. Signup and view all the answers

Study Notes

Louis de Broglie proposed that matter in motion has wave-like characteristics, leading to the concept of matter waves
Davisson and Gerner, and G.P. Thomson conducted an experiment on electron diffraction, confirming electrons as waves
Erwin Schrodinger applied de Broglie's theory to the electron in an atom, creating the Schrodinger Wave Equation
Schrodinger's model describes the motion of an electron in an atom, resulting in atomic orbitals
Niels Bohr initially proposed the atomic model with electrons revolving around the nucleus
Energy levels are represented by numbers or letters, and are subdivided into sublevels
Sublevels consist of four types: s, p, d, f
Electrons are distributed among these energy levels, sublevels, and atomic orbitals in an atom
Quantum numbers describe the atomic orbital where an electron may be found
Principal quantum number (n) indicates the average distance of the electron from the nucleus
Azimuthal quantum number (l) indicates the subshell in which the electron moves
Magnetic quantum number (ml) indicates the orientation of the electron orbital
Spin quantum number (ms) indicates the spin of the electrons in the orbital.

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Description

Test your knowledge of the quantum mechanical model of the atom, Schrodinger's model of the hydrogen atom, wave functions, main energy levels, sublevels, orbitals, and quantum numbers. This quiz covers the electronic structure of atoms and its relation to energy.