Period 4 element in period 4, between chromium and iron. Manganese is often found free in nature, but is also found in combination with iron. Manganese, like chromium before it, is an important component in stainless steel, preventing the iron from rusting. Manganese is also often used in pigments, again like chromium. Manganese is also poisonous; if enough is inhaled, it can cause irreversible neurological damage. Iron (Fe) is an element in period 4, between manganese and cobalt. Iron is probably the most well-known element in period 4, being the most common element in the earth and a major component of steel. Iron-56
The Stainless Steel Rat Hanasu - a disgraced Kekkonshiki council leader - he persuades them to reinterpret their teachings, and they embark on a more peaceful co-existence with the rest of humanity. (Incidentally "Kekkonshiki" is the romanization of the Japanese word for "Marriage Ceremony" 結婚式.) The MIT class ring, commonly referred to as "The Brass Rat", when cast in Celestrium (also known as jeweler's steel) is often referred to as "The Stainless Steel Rat" in reference to The Stainless Steel Rat series. The Chinese activist Liu Di, writing under the screen name "Stainless Steel Rat" (不锈钢老鼠), became a high-profile symbol for democracy and free