An alpha-particle decay. In alpha decay, shown in Fig. 3-3, the nucleus emits a 4 He nucleus, an alpha particle. Alpha decay occurs most often in massive nuclei that have too large a proton to neutron ratio.An alpha particle, with its two protons and two neutrons, is a very stable configuration of particles.n alpha-particle decay. In alpha decay, shown in Fig. 3-3, the nucleus emits a 4 He nucleus, an alpha particle. Alpha decay occurs most often in massive nuclei that have too large a proton to neutron ratio.
gite. n. A simple, usually inexpensive rural vacation retreat especially in France. [French.
Chayote (Sechium edule) is an edible plant belonging to the gourd family Cucurbitaceae, along with melons, cucumbers and squash.ike other members of the gourd family, such as cucumbers, melons, and squash, chayote has a sprawling habit, and it should only be planted if there is plenty of room in the garden.