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Q: What would you expect to happen when the alpha particles strike the gold foil? A: The alpha particles would penetrate the gold foil. Alpha particles are positive, so they might be repelled by any areas of positive charge inside the gold atoms.Sep 6, 2018

Why do alpha particles pass through gold?

All was explained! The dense atomic centers (each later called a "nucleus") of the gold atoms were so small that most of the alpha particles zoom right through as if there was nothing there.

Why do most alpha particles pass through the gold without deflecting?

First, since the majority of the positively charged α particles pass through the gold foil undeflected, we can conclude that most of the volume of each gold atom is empty space, containing nothing which might deflect an α particle.

Can alpha particles interact with gold?

Summary. Bombardment of gold foil with alpha particles showed that a very small percentage of alpha particles were deflected. The nuclear model of the atom consists of a small and dense positively charged interior surrounded by a cloud of electrons.

Do alpha particles pass through metal?

In general, alpha particles have a very limited ability to penetrate other materials. In other words, these particles of ionizing radiation can be blocked by a sheet of paper, skin, or even a few inches of air.

Why do some alpha particles deflected?

Some of the alpha particles were deflected slightly, meaning that there must be a small part of the gold atom that is positively charged. This is because the alpha particles are positive and like charges repel each other, so the positive part of the nucleus deflected the alpha particles.

Why did most of the alpha particles pass through the gold foil undeflected quizlet?

Atoms are mostly empty space. Which key conclusion is supported by the experimental observation that most alpha particles passed through the gold foil undeflected? Atoms are mostly empty space. You just studied 13 terms!

Why do most of the α particles in Rutherford’s experiment go through gold foil without being deflected?

Because atoms are almost "empty". Alpha particles could be deflected only by the atom nucleus, which is very small. This is exactly what Rutherford discovered in his experiment that an atom consists of electrons that "fly" around a very small and heavy nucleus. Need a fast expert's response?

What happened to the alpha particles when they hit the gold foil?

Answer. The small alpha particles gets deflected by the larger angles after hitting gold foil .

What can alpha penetrate?

Alpha particles can easily be shielded by a single sheet of paper and cannot penetrate the outer dead layer of skin, so they pose no danger when their source is outside the human body. Beta particles are essentially electrons emitted from the nucleus of a radioactive atom.