An alpha particle, boom.
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∙ 12y agoThe particles emitted during radioactive decay include alpha particles (mass of 4 amu, charge of +2e), beta particles (mass of nearly zero amu, charge of -1e), and gamma rays (no mass or charge).
protons --- rel. mass 1 amu, rel. charge +1, location in the nucleus. neutrons --- rel. mass 1 amu, rel. charge 0, location in the nucleus. electrons --- rel. mass 0 amu, rel. charge -1, location outside the nucleus.
An alpha particle has a relative mass of 4 amu and a charge of +2.
The mass of an alpha particle is approximately 4 amu (atomic mass units).
In the atom: Neutron: Mass: 1,00866491600(43) amu. Charge: neutral James Chadwick, 1932 Electron: Mass: 5,4857990946(22)×10−4 amu. Charge: negative J. J. Thomson, 1897 Proton: Mass: 1,007276466812(90) amu. Charge: positive Ernest Rutheford, 1919
The subatomic particles of an atom are protons (+1 charge), neutrons (no charge), and electrons (-1 charge). Protons and neutrons are located in the nucleus, while electrons orbit around the nucleus in energy levels.
For the atom: Neutron: Mass: 1,00866491600(43) amu. Charge: neutral Electron: Mass: 5,4857990946(22)×10−4 amu. Charge: negative Proton: Mass: 1,007276466812(90) amu. Charge: positive
Subatomic particles are the smallest particles composing an atom. They include protons, neutrons, and electrons, which have various properties such as charge, mass, and spin. These particles form the building blocks of matter and have a significant impact on the behavior and properties of atoms.
Alpha radiation consists of particles with a charge of +2 and a mass of 4 amu, equivalent to a helium nucleus. Beta radiation consists of particles with a charge of either -1 or +1 and negligible mass, corresponding to electrons or positrons.
Proton.
An electron has a negative charge and a mass close to 0 amu (atomic mass unit).
Atomic Mass Unit (amu)