Which of the following is true of the energy levels of electrons in shells?
A.Electrons must lose energy to move from the first to the second shell.
B.All the electrons in an atom have similar energy levels.
C.Valence electrons have a higher energy level than those in other filled shells.
D.Electrons do not have potential energy, just kinetic energy.

Question

12-11-2019
Chemistry

contestada

Which of the following is true of the energy levels of electrons in shells?
A.Electrons must lose energy to move from the first to the second shell.
B.All the electrons in an atom have similar energy levels.
C.Valence electrons have a higher energy level than those in other filled shells.
D.Electrons do not have potential energy, just kinetic energy.

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anfabba15 anfabba15 · Answer 1 · 2019-11-13T16:32:58+01:00

Answer:

Option C is the correct. Valence electrons have a higher energy level than those in other filled shells

Explanation:

Electrons must lose energy to move from the first to the second shell. FALSE

The electrons always win energy to move from the first to the second shell.

All the electrons in an atom have similar energy levels FALSE.

They are not neccesary similar. In hydrogen these are the level energy -13.6 eV , -3.4 eV , -1.51 eV , -85 eV and -54 eV

Electrons do not have potential energy, just kinetic energy. FALSE

They have both.

Valencia electrons are the last electrons in the last layer. They have as much energy as possible and are responsible for forming bonds with other elements.

dsdrajlin dsdrajlin · Answer 2 · 2021-10-01T18:03:13+02:00

Regarding energy levels of electrons in shells, we can state that valence electrons have a higher energy level than those in other filled shells. (Option C).

Which of the following is true of the energy levels of electrons in shells?

A. Electrons must lose energy to move from the first to the second shell. FALSE.

Electrons must gain energy to move from lower energy levels to higher energy levels and lose energy to move from higher energy levels to lower ones.

B. All the electrons in an atom have similar energy levels. FALSE.

The energy that an electron possesses depends on what energy level it is. According to the quantum theory, there are only some permitted energy levels and the electron can't have intermediate energies.

C. Valence electrons have a higher energy level than those in other filled shells. TRUE.

As the electrons are farther from the positive nucleus, they experience fewer attraction forces and can move with higher velocities, having more kinetic energy. Valence electrons are the farthest electrons from the nucleus.

D. Electrons do not have potential energy, just kinetic energy. FALSE.

Electrons have kinetic energy due to their movement and potential energy due to the interaction with other charged particles.

Regarding energy levels of electrons in shells, we can state that valence electrons have a higher energy level than those in other filled shells. (Option C).

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