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Describe what happens to the proton number and the mass number when an alpha particle is emitted by a nucleus?
When an alpha particle (helium nucleus) is emitted by a nucleus, the proton number decreases by 2 and the mass number decreases by 4. This is because the alpha particle consists of two protons and two neutrons.
What is the mass and charge of alpha particles?
Alpha particles are helium nuclei and consist of two protons and two neutrons. Their electric charge is +2 (+1 from each proton), and their mass number is 4, one for each proton and neutron. To describe their mass in other ways, it is 4.001506179125 atomic mass units, or 6.64465675 x 10-25 kg.
A particle that has a mass of 1 and a charge of 1 plus is?
A particle that has a mass of 1 and a charge of 1 plus is a proton.
Which particle is the lightest particale in the following 1. electon 2. neutron 3. proton 4. a-particles?
The electron is the lightest particle in the list. A proton is 1836 times more massive than an electron. Neutrons are just slightly more massive than a proton, and an alpha particle consists of two protons and two neutrons.
Does an alpha particle have a relative mass of 1 amu and no charge?
No, an alpha particle has a mass of 4 amu and a charge of +2. It is a helium nucleus. The neutron has a mass of 1 amu and no charge.
The mass of a neutron is nearly equal to the mass of what other subatomic particle?
No, an alpha particle is the nucleus of a normal helium atom - 2 protons + 2 neutrons. Therefore, an alpha particle has approximately 4 times the mass of a proton or neutron.No, an alpha particle is the nucleus of a normal helium atom - 2 protons + 2 neutrons. Therefore, an alpha particle has approximately 4 times the mass of a proton or neutron.No, an alpha particle is the nucleus of a normal helium atom - 2 protons + 2 neutrons. Therefore, an alpha particle has approximately 4 times the mass of a proton or neutron.No, an alpha particle is the nucleus of a normal helium atom - 2 protons + 2 neutrons. Therefore, an alpha particle has approximately 4 times the mass of a proton or neutron.
How many time Alpha particle heaver than proton?
An alpha particle has approximately 4 times the mass of a proton.
How do the mass and size of an alpha particle compare with mass and size of beta particle?
The mass and size of an alpha particle compare with the masa and size of beta particle in the sense that the alpha particle is significantly larger in both size and mass that the beta and gamma particles. This is why it is called the alpha particle.
What is the correct way to list these particles based on increasing mass proton electron and alpha particle?
The correct order of the particles based on increasing mass is electron, proton, alpha particle. Electrons are the lightest of the three, followed by protons, and then alpha particles, which consist of two protons and two neutrons and are relatively heavier.
Describe what happens to the proton number and the mass number when an alpha particle is emitted by a nucleus?
When an alpha particle (helium nucleus) is emitted by a nucleus, the proton number decreases by 2 and the mass number decreases by 4. This is because the alpha particle consists of two protons and two neutrons.
Is a beta particle Heavier or close to the mass of a alpha particle?
No. Its not even close. An alpha particle is two neutrons and two protons, while a beta particle (from beta- decay) is just an electron, which has one 1836th the mass of a proton.
Which subatomic particle has the smallest mass alpha particle neutron electron proton?
among these Electron has the least mass....
Why alpha particle has lowest specific charge than electron and protonGive reason?
The question is incorrect. (Either that, or I don't know what "specific charge" means.) The alpha particle has a charge of +2, while the proton is +1 and the electron is -1.If you are talking about charge to mass ratio, however, it is true that the alpha particle has a mass of about 4 amu, while the proton is 1 amu, and the electron is 1/1836 amu. This makes the charge to mass ratio of the alpha particle to only be about 0.25, while the proton is 1.0 and the electron is -1836.
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.
What particle alpha or beta is more massive?
An alpha particle is a helium nucleus, consisting of 2 protons and 2 neutrons. Beta particles are fast moving electrons that are emitted from a nucleus when a neutron decays into a proton and an electron. Since 1 electron has 1/1837 the mass of a proton, the alpha particle is roughly 7348 times the mass of the electron.
Which particle has greatest mass alpha or proton?
They both have about the same mass. However, since a proton is made of three up-quarks and the neutron is made of two up-quarks and a down-quark, the neutron is slightly more massive than the proton (around 0.3% more massive).
Is alpha particle is heavy particle?
An alpha particle is a helium-4 nucleus. It has a mass of about 4 atomic mass units.
