Spermatophyta Demo. Sodium

& Docebo a plastic balls metallum haeret, showing hypothetica de Sodium structuram, comprehendo: -Cl, Viridis VIII pila cum PCs foraminum XVI, -na, Grey pila cum PCs XIV foraminum VI, -Metal nexus 6cm LIV PCs, -Stand 17x17cm mole, 17cm altum.