1 1. Centipedes are the only arthropods with poison claws for subduing prey. 2  2. Centipedes do not have 100 legs. 3  3. Centipedes have one pair of legs per body segment. 4  4. All centipedes are predators. 5  5. Centipedes can live for several years. 6  6. Centipedes can regenerate lost legs. 7  7. Some centipedes care for their young.
Beta Particle Definition: An electron or positron. The term is generally applied to an electron or positron emitted in radioactive beta decay.
beta particle (beta radiation, beta ray): An electron of either positive charge (e+ or b+) or negative charge (e, e- or b-) emitted by an atomic nucleus or neutron in the process of a transformation. Beta particles are more penetrating than alpha particles but less than gamma rays or x-rays.