the sun is very hot planet zato hidroalfe puno bole i peku ko krme.
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.
Helium (or alpha particles)
No, alpha particles are helium nuclei made up of two protons and two neutrons, with no electrons. In Rutherford's experiment, alpha particles were used to probe the structure of atoms by scattering off the positive nucleus, helping to reveal the atom's structure.
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.
They are Helium nucleii so basically 2 protons and 2 neutrons
No, they're just similar to a helium nucleus.
Yes, plus 2 neutrons.
Alpha particles can be absorbed by water.
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.
Alpha rays consist of alpha particles, which are composed of two protons and two neutrons, essentially making them helium nuclei. Since they contain two protons, alpha particles carry a positive charge of +2e, where e is the elementary charge. This positive charge is a key characteristic that differentiates alpha rays from other types of radiation.
Alpha particles are most commonly found when alpha decay occurs. An alpha particle is emitted during alpha decay. Further information about alpha particles can be found on the Wikipedia website.
Yes, they do. Side group hydrogen bonding.