Definition of energy level in US English:

energy level

noun

Physics

The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
Example sentencesExamples
- This higher energy level allows X-ray beams to pass straight through most of the soft material in the human body.
- An electron in a lower energy level is both closer to the nucleus and has fewer electrons between itself and the nucleus.
- For instance, photons will share a particular energy level in a laser.
- When an electron falls from a higher energy level to a lower energy level, a photon is given off.
- This means that an atom with eight electrons in its outermost energy level is very stable.

Definition of energy level in US English:

energy level

noun

Physics

The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.
Example sentencesExamples
- This higher energy level allows X-ray beams to pass straight through most of the soft material in the human body.
- When an electron falls from a higher energy level to a lower energy level, a photon is given off.
- An electron in a lower energy level is both closer to the nucleus and has fewer electrons between itself and the nucleus.
- This means that an atom with eight electrons in its outermost energy level is very stable.
- For instance, photons will share a particular energy level in a laser.

词汇	energy level
释义	Definition of energy level in US English: energy level noun Physics The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have. Example sentencesExamples This higher energy level allows X-ray beams to pass straight through most of the soft material in the human body. An electron in a lower energy level is both closer to the nucleus and has fewer electrons between itself and the nucleus. For instance, photons will share a particular energy level in a laser. When an electron falls from a higher energy level to a lower energy level, a photon is given off. This means that an atom with eight electrons in its outermost energy level is very stable. Definition of energy level in US English: energy level noun Physics The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have. Example sentencesExamples This higher energy level allows X-ray beams to pass straight through most of the soft material in the human body. When an electron falls from a higher energy level to a lower energy level, a photon is given off. An electron in a lower energy level is both closer to the nucleus and has fewer electrons between itself and the nucleus. This means that an atom with eight electrons in its outermost energy level is very stable. For instance, photons will share a particular energy level in a laser.
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