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What type of nuclear reaction results in a single nucleus undergoing a decrease in atomic number and the release of a helium nucleus?
The nuclear reaction that results in a single nucleus undergoing a decrease in atomic number and the release of a helium nucleus is called alpha decay. In this process, an unstable nucleus emits an alpha particle (helium nucleus) which consists of two protons and two neutrons, causing the original nucleus to decrease in atomic number by 2.
Is hydrogen hydrogen helium alpha decay?
No. Hydrogen atoms combining to form helium is nuclear fusion. Alpha decay is a process whereby a large atomic nucleus ejects a helium nucleus.
What is the atomic number of this element helium?
The atomic number of helium is 2. It has 2 protons in its nucleus, which defines its atomic number.
What is the atomic number of He?
The atomic number of helium (He) is 2. This means that helium has 2 protons in its nucleus.
What does An alpha particle has the same mass and atomic number as?
Helium nucleus
An alpha has the same mass and atomic number as an?
A+. . .. . . . helium nucleus
What does the number 2 indicate in helium?
2 is the atomic number (or the number of protons) of helium.
What is the atomic number of a helium atom?
The atomic number of Helium is 2 because there are 2 protons and 2 electrons.
What are helium atom nucleus?
The nucleus of a helium atom contains two protons and usually two neutrons, giving it an atomic mass of 4 atomic mass units. It is positively charged due to the protons it contains, while the electrons orbit around the nucleus in the electron cloud.
What has the Atomic nucleus at fewest protons?
helium with 2 proton Hydrogen has 1 proton.
What is helime?
Do you mean helium? An inert ("noble") gas, atomic number 2. An alpha particle (as in radioactivity) is a helium nucleus.
The expulsion of a helium nucleus from an atom is called?
The expulsion of a helium nucleus from an atom is called alpha decay. In alpha decay, the atomic nucleus emits an alpha particle, which consists of two protons and two neutrons. This process usually occurs in heavy or unstable nuclei to achieve a more stable configuration.
