Which of the following subatomic particles is responsible for the spectrum of radiation emitted by an element or compound?a)neutronb)electronc)protond)photonCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Any radiation is emitted in the quantized form as photons. These photons are actually generated when an electron changes its energy level. This can happen if the atom gets the required work function. For e.g. The emission of X Ray. When the cathode ray hits the nuclei of heavier metals, two cases may occur -
1)Nuclei absorbs the electron from K shell and this process results in radiation of energy in form of X Ray photons.
2)Auger Effect: Sometimes during the collision, an electron from main atom can also be emitted, releasing energy in form of X Ray photons. So, Now it should be more clear that while photons are the product, the real culprit behind the crime scene. So correct option is B These things can be understood easily if you know the basics of Particle Physics.

Answer

For absorption of energy or emmition of energy electrons are responsible because they jump from one energy level to another energy level.

Answer

Electron

The correct answer is the electron. Electrons are responsible for the spectrum of radiation emitted by an element or compound. Let's explore why this is the case.

Spectrum of Radiation
- When an element or compound is heated or excited in some way, it emits radiation in the form of light or electromagnetic waves.
- This emitted radiation consists of a range of different wavelengths, which together form a spectrum.
- The spectrum of radiation emitted by a substance is unique to that substance and can be used to identify it.

Subatomic Particles
In order to understand why electrons are responsible for the spectrum of radiation, let's briefly discuss the other subatomic particles mentioned in the options.

1. Neutron:
- Neutrons are electrically neutral particles found in the nucleus of an atom.
- They do not possess any charge and do not interact directly with electromagnetic radiation.
- Neutrons primarily contribute to the stability and mass of an atom, but they do not play a role in emission or absorption of radiation.

2. Proton:
- Protons are positively charged particles found in the nucleus of an atom.
- Like neutrons, protons do not directly interact with electromagnetic radiation.
- Protons contribute to the atomic number and overall charge of an atom, but they are not responsible for the emission or absorption of radiation.

3. Photon:
- Photons are particles of light or electromagnetic radiation.
- They are responsible for carrying energy in the form of electromagnetic waves.
- Photons can be absorbed or emitted by electrons during energy transitions, but they themselves are not responsible for the spectrum of radiation emitted by an element or compound.

Role of Electrons
- Electrons are negatively charged particles that orbit around the nucleus of an atom.
- When an electron absorbs energy, it moves to a higher energy level or shell.
- As the electron returns to its original energy level, it releases the absorbed energy in the form of electromagnetic radiation.
- The energy of the emitted radiation corresponds to the energy difference between the electron's initial and final energy levels.
- This emitted radiation forms the unique spectrum of an element or compound.

Conclusion
The spectrum of radiation emitted by an element or compound is primarily determined by the electrons and their energy transitions. Other subatomic particles like neutrons, protons, and photons do not directly contribute to the emission of radiation.

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