National Institute of Open Schooling
Compounds of Carbon Containing Nitrogen
Amines are vital to humans because they help form amino acids, the building blocks of proteins. The 30th lesson in a series of 36 specifically focuses on the organic compounds that contain nitrogen. Learners classify amines and nitro...
National Institute of Open Schooling
p-Block Elements and Their Compounds – I
Lesson 21 in a series of 36 specifically focuses on elements and their compounds from groups 13, 14, and 15 on the periodic table — including boron, carbon, aluminum, silicon, nitrogen, and phosphorus. Classes learn how some of these...
National Institute of Open Schooling
General Characteristics of the p-Block Elements
The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Phosphate
Discusses what phosphates are, their role in the phosphorous cycle, where they occur in the natural world, their chemistry, and the impact of the use of phosphate fertilizers in agriculture.
Other
North Dakota State University: Managing the Risks
An in-depth look at the risks of using anhydrous ammonia as an agricultural fertilizer. Provides plenty of safety and equipment information, as well as exposure, transport, and storage guidelines.