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The alpha particle is the nucleus of 4He, comprising two neutrons and two protons. It has a Atomic Mass of 4 and a charge of +2. As a result, it is the least penetrating of all the various emissions (alpha, beta, gamma, neutron) but, unfortunately, it can be the most devastating if it is absorbed, for instance, into the lungs.

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An alpha particle consists of two protons and two neutrons bound together, forming a helium nucleus. It has a charge of +2 and a mass of approximately four atomic mass units.

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Q: What components make up an alpha particle?
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Related questions

What 4 particles make up an alpha particle?

An alpha particle consists of two protons and two neutrons bound together. It is essentially a helium-4 nucleus.


Which naturally occurring radioactive particle is the largest?

Alpha particles are the same size as a helium nucleus and are made up of 2 protons and two neutrons. They have no electrons so an alpha particle has a +2 charge


Why is an alpha particle sometimes referred to as a helium nucleus?

An alpha particle consists of two protons and two neutrons, which is the same composition as a helium nucleus. This similarity is why an alpha particle is often referred to as a helium nucleus.


How do the mass and size of an alpha particle compare with mass and size of beta particle?

An alpha particle is larger and has more mass than a beta particle. An alpha particle is made up of two protons and two neutrons, giving it a mass of 4 atomic mass units, whereas a beta particle is much lighter and has a mass close to that of an electron. Size-wise, an alpha particle is larger in diameter compared to a beta particle.


What particle is identical to an alpha particle?

The nucleus of a helium-4 atom is an alpha particle. When an alpha particle, which is two protons and two neutrons, is released in nuclear decay (alpha decay), it will zip out with a lot of kinetic energy. But it will quickly slow down and pick up a pair of electrons from the environment and "become" a 24He atom.


What is a radioactive particle that is made up of two protons and two neutron?

This is a alpha particle.


Which has the largest mass alpha particle gamma ray positron or beta particle?

An alpha particle has the largest mass among the options listed. It is made up of two protons and two neutrons, making it the heaviest particle. Gamma rays have no mass, while both positrons and beta particles are much lighter than alpha particles.


What is a radioactive particle that is made up of two neutrons and two protons?

A radioactive particle that is made up of two neutrons and two protons is called an alpha particle. It is a type of ionizing radiation commonly emitted by radioactive materials.


Is an alpha particle radioactive?

An alpha particle itself is not radioactive, but it is the result of a type of radioactive decay called (obviously) alpha decay. The alpha particle is actually a helium-4 nucleus, and it will eventually pick up a pair of electrons and become an atom of that inert or noble gas.


Why is an alpha particle attracted to a negative plate?

An alpha particle is made up of two protons and two neutrons, giving it a positive charge. As opposite charges attract, the positive charge of the alpha particle is attracted to the negative charge of the plate.


What is the fusion product of the reaction of an alpha particle with Ne-20?

Look up the atomic number of Neon, add 2 to that (since an alpha particle has two protons), and add 4 to the atomic mass (since the alpha particle has 4 mass units).


What two things are a alpha particle made up of?

Protons and Neutrons