Alpha particles are the least penetrating, and are not able to pass through a single sheet of paper. Beta particles can penetrate through a sheet of paper, but not a piece of aluminum. Gamma rays can travel through both paper and aluminum and it takes dense material like lead to stop them or reduce their number.
Gamma rays are high energy electromagnetic rays.
(Worst to best) Alpha particle, proton, beta particle.
Gamma rays are more penetrating than alpha and beta particles.
the great majority of alpha partcles passed straight through the gold atoms... without deflection.
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It is not clear what is meant by 'beta'. Please rephrase it in a new question. It's pretty obvious this question is about radioactivity and the beta particles produced by that. In fact beta particles are not the least penetrating. It is the alpha particles that penetrate least. That's because they interact easily with atomic nuclei. Atomic nuclei are positively charged, like alpha particles, causing strong repulsion.
alpha
Gamma rays are more penetrating than alpha and beta particles.
The most penetrating power is for beta particles compared to those given here.
Alpha particles are positively charged. They have low penetrating power but high ionizing power.
Alpha particles have much less penetrating power than gamma rays.
the great majority of alpha partcles passed straight through the gold atoms... without deflection.
Alpha, beta, gamma.
Alpha particles have very weak penetrating power. They are heavy and charged, so they interact strongly with matter, causing ionization and losing energy quickly. Therefore, alpha particles can generally only travel a few centimeters in air and can be easily stopped by a sheet of paper or skin.
No. Alpha particles, consisting of 2 protons and 2 neutrons - effectively a Helium nucleus - are very heavy (for a decay particle) and readily ionize surface materials. For this reason, they have very low penetration.Alpha particles are not the most penetrating, instead it is the Gamma rays that penetrate better.
No. Alpha particles, consisting of 2 protons and 2 neutrons - effectively a Helium nucleus - are very heavy (for a decay particle) and readily ionize surface materials. For this reason, they have very low penetration.Alpha particles are not the most penetrating, instead it is the Gamma rays that penetrate better.
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Gamma radiation
These things might block the majority of alpha and beta particles as they are not very much penetrating but the gamma radiations won't be blocked by these. To block gamma radiations, we need things like lead walls because gamma particles' are extremely penetrating.