iStockphoto.com/Andrea Laurita. The BRYCS Clearinghouse is an online collection of resources related to refugee and immigrant children and families. It is geared towards front-line workers, program planners, and administrators as well as researchers and policy-makers.
Define cation exchange: ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium andâ¦ ion exchange in which one cation (as sodium or hydrogen) is substituted for one or more other cations (as calcium and magnesium in hard water)â¦ See the full definition since 1828
A cation is a postively-charged ion; cations are not normally found on the periodic table but the alkali metals and the alkaline earth metals typically become cations. In meta â¦ llic bonding, the delocalisation of the outer electrons means that metal cations are in a lattice of electrons.