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Helium nucleus

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Heilium nucleus

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Q: What does An alpha particle has the same mass and atomic number as?
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What happens to atomic number and atomic mass of an atom that emits alpha particle?

When an atom emits an alpha particle, its atomic number decreases by 2 and its atomic mass decreases by 4. This is because an alpha particle consists of 2 protons and 2 neutrons, which are lost from the atom during the emission process.


How is the mass number of an element affected when it decays by ejecting an alpha partical?

The mass number of an element decreases by 4 when it decays by ejecting an alpha particle. This is because an alpha particle has a mass number of 4 and atomic number of 2. The atomic number of the element also decreases by 2.


What is the mass of a alpha particle given a nuclear equation?

The mass of an alpha particle is approximately 4 atomic mass units (AMU), which is equivalent to 4 times the mass of a proton. In a nuclear equation, an alpha particle is represented as ( ^4_2 \text{He} ), indicating a mass number of 4 and an atomic number of 2.


Is alpha particle is heavy particle?

An alpha particle is a helium-4 nucleus. It has a mass of about 4 atomic mass units.


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 particle consists of two protons and two neutrons it is the same as a helium nucleus release of a what particle by an atom decreases the atomic number by 2 and the mass number by 4?

The particle that consists of two protons and two neutrons, equivalent to a helium nucleus, is an alpha particle. When an atom releases an alpha particle, its atomic number decreases by 2 and its mass number decreases by 4.


What change in atomic number occurs when a nucleus emits an alpha particles?

An alpha particle has 2 protons and 2 neutrons. This would make the atomic number decrease by 2 and the Atomic Mass will decrease by 4.


When uranium-238 atomic number 92 decays by emitting an alpha particle it becomes?

When uranium-238 (atomic number 92) decays by emitting an alpha particle, it transforms into thorium-234 (atomic number 90) because an alpha particle contains two protons and two neutrons, reducing the atomic number by two.


What happens to the atomic number when an alpha particle is given off?

Alpha emission in an atom reduces its atomic number by two. A link can be found below to the related question about what alpha decay is.


What does alpha decay do to an atom mass and atomic number?

Alpha decay decreases the atomic mass of an atom by 4 units and the atomic number by 2 units. This is because an alpha particle, which consists of 2 protons and 2 neutrons, is emitted during the decay process.


What change is atomic number occurs when a nucleus emits an alpha particle?

An alpha particle is composed of two protons and two neutrons, so when an atom loses an alpha particle, its mass number decreases by four. However, since the atom loses two protons, it is now a different element. It is now the element with an atomic number minus the two protons.


When radium emits an alpha particle the resulting nucleus has atomic number?

When radium emits an alpha particle, the resulting nucleus has an atomic number that is 2 less and a mass number that is 4 less than the original radium nucleus.