Sulfur mustard. Sulfur mustard, commonly known as mustard gas, is the prototypical substance of the sulfur-based family of cytotoxic and vesicant chemical warfare agents known as the sulfur mustards which have the ability to form large blisters on exposed skin and in the lungs.
Silver jewelry, ornaments, and silverware are traditionally made from Sterling Silver. Sterling Silver is an alloy composed of 92.5% silver and the remainder 7.5% other metals, usually copper. Britannia Silver - Silver that is alloyed with a maximum of 5% other metals.
Silver (number 47, symbol Ag) is a chemical element that occurs in copper-nickel, gold, copper, lead-zinc, lead, and argentite ores. It is a transition metal that can be obtained from brittle silver and dark ruby and light ruby silver. In history, it was used to make coins and ornaments and was produced by separating silver from lead.