Beta particles are electrons. Electrons have a negative charge. Nuclei are protons, with a positive charge, and neutrons, with no charge; thus the nucleus is positively charged. Positively charged particles are attracted to negatively charged particles, and vice versa.
Alpha particles are repelled by atomic nuclei because alpha particles have a positive charge, and so do atomic nuclei. The positive charge on the surface of a nucleus will repel another positive charge, like an alpha particle, because of the law of electrostatics. That's the simple answer. And it is correct. But know this: Alpha particles were used in the early investigations of atomic structure and atomic interactions. The alpha particles were used to bombard atomic nuclei, and there are times when an alpha particle will be absorbed by an atomic nucleus. Somehow the laws of electrostatics took the day off, and the fact that absorption took place opens the door to discovery and discussion of other atomic forces. Word up.
An atomic battery is a device which converts the energy of particles emitted from atomic nuclei into electrical energy.
Nuclear reaction is a process where two nuclei or particles interact to form different particles. This process can involve fusion, fission, or other types of interactions between atomic nuclei.
Atomic nuclei have two kinds of subatomic particles, which are protons and neutrons.
Nuclear fission
A femtometer is a unit used to measure extremely small distances, typically on the scale of atomic nuclei. With 1 femtometer, you can measure the size of atomic nuclei or the spacing between nucleons within a nucleus. It is useful for studying particles at the subatomic level.
Magnetic fieldsNegatively charged objects
The study of the structure of atomic nuclei is called nuclear physics. This field focuses on the properties and behavior of atomic nuclei, including their composition, size, stability, and interactions with other particles. Nuclear physics plays a crucial role in understanding processes such as nuclear reactions and nuclear energy generation.
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Radioactivity is the emission of radiation from unstable atomic nuclei. It can be in the form of alpha particles (helium nuclei), beta particles (electrons or positrons), or gamma rays (high-energy photons).
No, atomic nuclei is not required for a chemical reaction.