If you are using it for one of your Boy Scout requirements, see your handbook for a list of things you can teach. For most recent ILSC, our leader used making a paper airplane to demonstrate the EDGE method. What you teach should fit your audience and any requirement you are trying to fulfill. Reply.
Uses of Thallium. Thallium sulfate, which is odorless and colorless, was used as a rat poison and as an insecticide. This use has been discontinued in some countries, including the USA. Thallium sulfide is used in photocells because its electrical conductivity increases on exposure to infrared light.
Molybdenum is used as glass furnace electrodes due to its high melting point. It is also used in the petroleum industry, to catalyze the removal of organic sulfur compounds in coal liquification and gas liquification processes.Molybdenum is an essential trace element for animals and plants.As with selenium, too much of it is toxic, too little of it is fatal.In nitrogen fixing bacteria, molybdenum is a vital component of the nitrogenase enzyme which allows conversion of nitrogen gas in air into nitrates vital for plant growth.olybdenum is an essential trace element for animals and plants. As with selenium, too much of it is toxic, too little of it is fatal. In nitrogen fixing bacteria, molybdenum is a vital component of the nitrogenase enzyme which allows conversion of nitrogen gas in air into nitrates vital for plant growth.