Silver halide Silver halide A silver halide (or silver salt) is one of the chemical compounds that can form between the element silver and one of the halogens. In particular, bromine, chlorine, iodine and fluorine may each combine with silver to produce silver bromide (AgBr), silver chloride (AgCl), silver iodide (AgI), and three forms of silver fluoride, respectively. As a group, they are often referred to as the silver halides, and are often given the pseudo-chemical notation AgX. Although most silver halides involve silver atoms with oxidation states of +1 (Ag), silver halides in which the silver atoms have oxidation states of
Heart (symbol) heart shape was used to represent the heart-shaped fruit of the plant Silphium, a plant possibly used as a contraceptive Many species in the parsley family have estrogenic properties, and some, such as wild carrot, were used to induce abortion. Silver coins from Cyrene of the 6–5th BC bear a similar design, sometimes accompanied by a silphium plant and is understood to represent its seed or fruit. It is likely that the heart symbol was found in devotion to God. The symbol appears as one rights themselves up, after having prayed with one's head to the ground. The hands form