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The beta particle, like the electron, has a very small mass compared to the proton or neutron. Its mass is 1/1836 that of the proton mass or 1/1838 that of the neutron mass.
What is the mass of alpha particle and beta particle?
Alpha, Beta, and Gamma Radiation
| Particle or Photon (Wave) | Mass (amu) | Electric Charge |
|---|---|---|
| Alpha (2He4) | 4 | +2 |
| Beta (electron) | 5.5×10−4 | −1 |
| Gamma (x-ray) | Approx. 0 | 0 |
| Neutron | 1 | 0 |
Do beta particles have weight and mass?
Beta particles have a mass which is half of one thousandth of the mass of a proton and carry either a single negative (electron) or positive (positron) charge. As they have a small mass and can be released with high energy, they can reach relativistic speeds (close to the speed of light).
What is the mass of alpha beta and gamma?
Explanation: One Alpha particle is the helium nucleus, two protons and two neutrons, with mass of 6.644×10−24g . One beta particle is an electron with mass 9.109×10−28g) . Th gamma radiation is a radiation very strong withb the enrgy abouy 1019Hz .
How do you find the mass of an alpha particle?
The alpha particle contains 2 protons and 2 neutrons. Thus it is similar to the Helium atom. Which is equal to 6.68 x 10^-27 kg.
Which is beta particle?
A beta particle, also called beta ray or beta radiation (symbol β), is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay.
What is a neutrons mass?
neutron, neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen. It has no electric charge and a rest mass equal to 1.67493 × 10−27 kg—marginally greater than that of the proton but nearly 1,839 times greater than that of the electron.
Is a beta particle an electron?
A beta particle, also called beta ray or beta radiation (symbol β), is a high-energy, high-speed electron or positron emitted by the radioactive decay of an atomic nucleus during the process of beta decay.
What are beta particles Class 9?
Beta particles are extremely energetic electrons that are liberated from the inner nucleus. They bear negligible mass and carry the negative charge. A neutron in the nucleus splits into a proton and an electron on the emission of a beta particle.
What is the mass in grams of an alpha particle?
Alpha Particle
| Alpha Particle | Value |
|---|---|
| Alpha Particle mass in Kg | 6.644657230(82) × 10-27 Kg |
| Mass of alpha particle in amu | 4.001506179127(63) u |
| Mass of alpha particle in eV | 3.727379378(23) GeV/c2 |
| Alpha particle mass number | 4 |
