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The alpha particle is a helium-4 nucleus. The mass is 6,644 656 75(29).10-27 kg. The electrical charge is +2. The have a great energy and are dangerous for the organism. But they can be easily stopped by a piece of paper.

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12y ago
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5mo ago

Alpha particles are positively charged particles consisting of two protons and two neutrons. They have a relatively large mass and low penetrating power, which makes them easier to shield against but also potentially damaging if emitted inside the body. Alpha particles are commonly emitted during radioactive decay processes.

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Q: Properties of alpha particles
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What is Alpha radiation stopped by?

Alpha particles are the strongest of the three known types of radiation (alpha, beta, & gamma). Although the strongest, the alpha particles are the least penetrating.They do not tend to penetrate any substance.A well-known example is your skin. Alpha particles do not penetrate your skin barrier. However, alpha particles energy is high and is a cause of skin cancer and genetic mutations.


If the mixture of electrically neutral how many more beta particles than alpha particles are in the balloon?

If a mixture is electrically neutral, for every alpha particle (which has a charge of +2), there must be two beta particles (each with a charge of -1) to balance the charges. So there are two more beta particles than alpha particles in the balloon.


How does the penetrating ability of gamma rays compare with that of alpha particles and beta particles?

Gamma rays have higher penetrating ability compared to alpha and beta particles. Gamma rays can penetrate through most materials, while alpha particles can be stopped by a sheet of paper and beta particles by a few millimeters of aluminum.


Why does paper stop alpha from traveling?

Paper can stop alpha particles because paper has a higher density compared to air, which makes it more likely that the alpha particles will collide with the atoms in the paper, losing energy and stopping their movement. Additionally, the small size of alpha particles means they are easily absorbed by the materials they come into contact with.


Is alpha particles the most radioactive emission?

No, alpha particles are not the most radioactive emission. Gamma rays are more penetrating and more energetic than alpha particles, making them the most dangerous and damaging form of radiation.

Related questions

What effect does humidity have on alpha particles?

Alpha particles can be absorbed by water.


Where could one locate Alpha particles?

Alpha particles are most commonly found when alpha decay occurs. An alpha particle is emitted during alpha decay. Further information about alpha particles can be found on the Wikipedia website.


Why a spherical sulphide screen is used in alpha ray scattering experiment?

Because it was cheap and had good fluorescence properties, meaning high light output and therefore better energy resolution.


How do the properties of radium differ from the properties of the compounds formed by radium?

Radium glows in the dark and is radioactive. When it decays into Radon gas, it emits alpha particles. It is fairly close to its compound radiumchlorite because like radium, it also decays emiting alpha particles. However, radiumchlorite is used to help cure canser. Overal, radium is like its most comon compound but can also have properties not related to its compounds at all.


What is the type of radioactive decay in which positive particles are given off?

Alpha decay is the type of radioactive decay in which positive particles, specifically alpha particles, are emitted. These alpha particles consist of two protons and two neutrons bound together, giving them a positive charge.


Why were few alpha particles deflected?

some of alpha particles were deflected through an angle of 90 degree


What correctly describes the charge of beta particles and alpha particles?

Beta particles have a negative charge, while alpha particles have a positive charge. Beta particles are electrons or positrons, while alpha particles are helium nuclei consisting of two protons and two neutrons.


What is the alpha particles?

The symbol of the alpha particle is the small Greek letter alpha, α


What is Alpha radiation stopped by?

Alpha particles are the strongest of the three known types of radiation (alpha, beta, & gamma). Although the strongest, the alpha particles are the least penetrating.They do not tend to penetrate any substance.A well-known example is your skin. Alpha particles do not penetrate your skin barrier. However, alpha particles energy is high and is a cause of skin cancer and genetic mutations.


Is it possible to clone alpha particles?

No. You can produce alpha particles in a number of ways, but that's not really "cloning" as the term is usually used, even if all alpha particles are indistinguishable from each other.


What type of nuclear radiation can be blocked by a block of lead Beta particles or alpha particles?

Alpha particles can be blocked by a block of lead due to their relatively low penetrating power, while beta particles may require a thicker shield, such as a piece of aluminum or plastic, depending on their energy. Lead is not as effective at blocking beta particles as it is for alpha particles.


If the mixture of electrically neutral how many more beta particles than alpha particles are in the balloon?

If a mixture is electrically neutral, for every alpha particle (which has a charge of +2), there must be two beta particles (each with a charge of -1) to balance the charges. So there are two more beta particles than alpha particles in the balloon.