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A beta particle is a what created and emitted from an unstable nucleus?
Wiki User
∙ 14y ago
NovaNet: A beta particle is simply a high speed electron.
Wiki User
∙ 14y ago
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Are the alpha particle and helium nucleus the same thing?
Yes and no, alpha particles are a form or radiation (a helium nucleus), they are emitted from an unstable radioactive element which decays (and turns into some lighter element) by emitting the alpha particle. This form of decay is called alpha decay.
Nucleus of the chemical element atomic number 2 emitted by some radioactive substances?
alpha particle, He nucleus
When an unstable nucleus produces an alpha particle by how many units does the atomic number of the nucleus change?
An alpha particle is a helium nucleus, which consists of 2 protons and 2 neutrons. When an unstable nucleus emits an alpha particle, it loses 2 protons, which means its atomic number will be reduced by 2.
When an unstable nucleus produces an beta particle by how many units does the atomic number of the nucleus change?
The atomic number decreases by one for each beta particle
When U-238 decays to th-234 what has been emitted?
When U-238 decays to Th-234, an alpha particle is emitted. An alpha particle consists of two protons and two neutrons, and is essentially a helium nucleus.
A beta particle may be spontaneously emitted from?
Positrons are emitted from proton-rich radioactive during positive beta-decay.
What type of particle is emitted when a U-235 decays to Np-235?
It is negative beta particle emitted by a uranium nucleus and converting it to neptunium nucleus.
Nuclear radiation refers to charged particles or energy emitted by an unstable what?
Nucleus
What changes take place in the nucleus when an alpha particle is emitted?
In short, alpha radiation occurs when an unstable nucleus emits 2 protons and 2 neutrons from it's nucleus. This means that the atomic number decreases by 2 and the nucleon number decreases by 4.
A penetrating ray of energy emitted by an unstable nucleus?
Gamma rays.
Are the alpha particle and helium nucleus the same thing?
Yes and no, alpha particles are a form or radiation (a helium nucleus), they are emitted from an unstable radioactive element which decays (and turns into some lighter element) by emitting the alpha particle. This form of decay is called alpha decay.
When an unstable nucleus emits a beta particle is the atomic number increased by one unit?
Yes. When an atom emits a Bita particle, actually its the degradation of a neutral particle, i.e a neutron, which forms a proton and an electron. Since no electron can exist inside a nucleus, so it is emitted out as a bita particle, but the proton stays inside the nucleus, thereby increasing its atomic number by 1.
Nucleus of the chemical element atomic number 2 emitted by some radioactive substances?
alpha particle, He nucleus
When an unstable nucleus produces an alpha particle by how many units does the atomic number of the nucleus change?
An alpha particle is a helium nucleus, which consists of 2 protons and 2 neutrons. When an unstable nucleus emits an alpha particle, it loses 2 protons, which means its atomic number will be reduced by 2.
What happens when an unstable nucleus undergoes radioactive decay?
Particles or electromagnetic radiation are emitted.
What is a negative electron emitted from the nucleus of an atom at high speed?
beta particle
The nucleus of a helium atom is called?
The nucleus of a helium atom is called an alpha particle. The electromagnetic waves emitted by a nucleus are called gamma rays.
