WebApr 3, 2024 · Approximately 30 to 65 percent of total soil phosphorus is in organic forms, which are not plant available, while the remaining 35 to 70 percent is in inorganic forms. Organic forms of phosphorus include dead plant/animal residues and soil micro-organisms. WebAug 21, 2024 · Allotropes of Phosphorus. Phosphorus is a nonmetal, solid at room temperature, and a poor conductor of heat and electricity. Phosphorus occurs in at least …
The phosphorus cycle — Science Learning Hub
WebVolcanic ash, aerosols, and mineral dust can also be significant phosphate sources, though phosphorus has no real gas phase, unlike other elements such as carbon, nitrogen, and sulfur. Phosphate compounds in the soil can be taken up by plants and, from there, … WebA horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right. Block. Elements are organised into blocks by the orbital type in which the outer electrons are found. These blocks are named for the characteristic spectra they produce: sharp (s), principal (p), diffuse (d), and fundamental (f). option43 是干什么的
Where is Phosphorus Found & How is it Obtained?
WebMar 23, 2024 · phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room … WebFunction. The main function of phosphorus is in the formation of bones and teeth. It plays an important role in how the body uses carbohydrates and fats. It is also needed for the body to make protein for the growth, maintenance, and repair of cells and tissues. Phosphorus also helps the body make ATP, a molecule the body uses to store energy. WebJul 26, 2024 · Hydrolysis of phosphorus pentoxide is very exothermic, releasing so much energy to dehydrate compounds to form corresponding anhydrides and phosphoric acid. P X 4 O X 10 + 6 H X 2 O 4 H X 3 P O X 4 ( − 177 k J) Phosphoric acid is hygroscopic which further sucks remaining water from compound. option43和option138