The beneficial properties of silver have been documented since 500 BC. People have long paid attention to the pronounced bactericidal properties of silver.
This is the oligodynamic action of heavy metals, which includes silver, being the least toxic among them. In reality, the most active is the silver ion Ag+, which has 47 electrons (el) on 5 orbital energy levels and on s,p,d – orbital sublevels =1s2, 2s22p6, 3s23p63d10, 4s24p64d10, 5s1.