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 that prior to "The Stainless Steel Rat Wants You" Jim has in fact thwarted their plans twice already, making this their third encounter. The text can also be read to say that the second time he thwarted their plans was with the alien invasion so the third encounter also happened during "The Stainless Steel Rat Wants You" when Jim invaded their home planet. They live on a harsh, icy world; this existence forced them to eliminate all emotion from their culture. This society is also completely patriarchal, with women being treated as nothing more than property. During Jim's interactions with