Nuclear Radioactivity - alpha, beta, gamma decay, photoelectric effect, photosynthesis, Planck constant, absorption, emission, mass defect, strong nuclear force, repulsive force, fusion, fission, ...

Millicurie quantities of 14 C do not present a significant external exposure hazard because the low-energy betas emitted barely penetrate the outer skin layer. The critical organ for uptake of many 14 ...

Ionizing radiation is a form of energy released by atoms in the form of electromagnetic waves such as gamma, x-rays or particles such as neutrons, beta or alpha. The disintegration of atoms is called ...