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Which atom could not emit an alpha particle?
Alpha particles consist of two protons and two neutrons (the nucleus of a helium atom). Therefore, Hydrogen is the only element that doesn't contain (and can't emit) an alpha particle.
Which atom could not possibly emit an alpha particle?
Helium-4 cannot emit an alpha particle, as an alpha particle is composed of two protons and two neutrons. Helium-4 already has two protons and two neutrons in its nucleus, so it cannot emit an alpha particle.
Why is it impossible for helium or hydrogen to emit an alpha particle?
Helium and hydrogen do not emit alpha particles because they contain only one or two protons in their nuclei respectively, which is insufficient for them to emit an alpha particle consisting of two protons and two neutrons. Alpha decay typically occurs in heavier elements with larger atomic numbers where the nucleus is unstable and emits an alpha particle to reach a more stable configuration.
Is it possible for hydrogen nucleus to emit into an alpha particle?
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Can a radioactive substance emit an alpha and beta particle simoultaneously?
Yes, it is possible; example - 224Ac.
Where do the two neutrons and two neutrons that consist on alpha particle come from?
they come from the nuclei of an unstable atom.
Why is a alpha particle is not a neutral atom?
Alpha decay and beta decay (both forms of it) are two different types of radioactive decay. The former has a basis in quantum mechanical tunneling, and the latter is mediated by the weak nuclear force (weak interaction). These two decay schemes will not occur together because of what might be called exclusion or blocking. In either decay scheme, the remaining nucleons in the nucleus undergo what might be termed a "renegotiation" of the terms and conditions under which they are stuck together. The changes within the decaying atomic nucleus are so profound from the point of view of the nucleons, those protons and neutrons that make up a nucleus, that they all effectively "feel" it at the same time. This instantaneous "knowing" among the nucleons, probably communicated by the residual strong force (nuclear binding energy), will prevent the other type of decay from taking place when the first one is "happening" to the nucleus.
What will an atom of an isotope with a large neutron to proton ratio probably emit?
Beta particle
What does positive and negative charges make?
They stem from the nucleus of an atom. The atom is composed of electrons, which emit a negative charge, protons which emit positive charges and neutrons which have a neutral charge. When an atom, had a plus positive or minus negative charged, it is called an ion. ion because it either has an extra electron giving it a negative charge, or its missing an electron, giving it a positive charge
Can hydrogen undergo alpha decay?
No, it cannot. Fission is the "splitting" of an atom, and a hydrogen atom will not fission. Some hydrogen atoms have a neutron stuck to the proton in their nucleus. Some even have two neutrons stuck to that proton. These neutrons can be "knocked loose" in something like a nuclear chair reaction in a weapon. The neutrons then can contribute to the building of the nuclear chain reaction. But fission doesn't happen to hydrogen.
When an alpha particle is emitted the atomic increases by what?
The emission of an alpha particle (which is a Helium nucleus) from a radioactive nuclide would decrease its atomic number (z) by two, and its mass number by 4. So for example, Plutonium-239 (z=94) would emit the alpha particle and jump back down the table to Uranium-235 (z=92). It is possible to go up the table (increase atomic number) through certain beta decays.
Alpha and beta decay emit what?
Alpha decay emits an alpha particle, which consists of two protons and two neutrons. Beta decay emits either an electron (beta minus decay) or a positron (beta plus decay).
