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In beta minus (β⁻) decay, a neutron is converted to a proton, and the process creates an electron and an electron antineutrino; while in beta plus (β⁺) decay, a proton is converted to a neutron and the process creates a positron and an electron neutrino. β⁺ decay is also known as positron emission.

Why is a beta particle an electron?

The beta particle has the same mass and charge as an electron. It differs from the electron in its origin. The beta particle, which may be either negatively charged (negatrons) or positively charged (positrons), originates from the nucleus of an atom.

Does a beta particle have an electron?

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.

Does beta decay release an electron?

Two types of beta decay can occur. One type (positive beta decay) releases a positively charged beta particle called a positron, and a neutrino; the other type (negative beta decay) releases a negatively charged beta particle called an electron, and an antineutrino.

What happens when a beta particle is formed?

Beta decay A beta particle forms when a neutron changes into a proton and a high-energy electron . The proton stays in the nucleus but the electron leaves the atom as a beta particle. When a nucleus emits a beta particle, these changes happen: the mass number stays the same.

Where do beta particles come from?

Beta particles (β) are small, fast-moving particles with a negative electrical charge that are emitted from an atom's nucleus during radioactive decay. These particles are emitted by certain unstable atoms such as hydrogen-3 (tritium), carbon-14 and strontium-90.

Where does the electron come from in beta decay?

In beta-minus decay, a neutron breaks down to a proton and an electron, and the electron is emitted from the nucleus.

How is beta particle different from an electron?

Electrons are subatomic particles that can be found in the electron cloud that surrounds the atomic nucleus. The main difference between beta particle and electron is that beta particle can have either +1 charge or -1 charge whereas electron has a -1 charge.

What triggers beta decay?

Beta decay occurs when, in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other. In beta minus decay, a neutron decays into a proton, an electron, and an antineutrino: n Æ p + e – +.

What is the difference between a beta particle and an electron?

These particles are originated from atomic nuclei during the beta decay. Electrons are already in the atoms surrounding the atomic nucleus (in electron cloud). The main difference between beta particle and electron is that beta particle can have either +1 charge or -1 charge whereas electron has a -1 charge.