Phosphorus (P)
Symbol P
Atomic Number 15
Atomic Mass 30.974
Discovered by Phosphorus was discovered by Hennig Brandt

Chemical Properties

Group 15 Melting point 44.15°C, 111.47°F, 317.3 K
Period 3 Boiling point 280.5°C, 536.9°F, 553.7 K  
Block p Density (g cm−3) 1.823 (white)
Atomic number 15 Relative atomic mass 30.974   
State at 20°C Solid Key isotopes 31P
Electron configuration [Ne] 3s3p3 CAS number 7723-14-0
ChemSpider ID 4575369 ChemSpider is a free chemical structure database

What is Phosphorus?

  • Despite the fact that for thousands of years people have been using the periodic table with phosphorus (P) in it, it was not until 1669 that it was secluded and termed by a chemist named Brand.
  • Phosphorus is an element that one will under no circumstances find freely in our environment. It is extremely reactive.

Atomic Mass of Phosphorus

The atomic mass of phosphorus is 30.973762 u.

Atomic mass is defined as the number of protons and neutrons in an atom where the mass of each proton and neutron is approximately 1 amu (1.0073 and 1.0087, respectively). The electrons within the atom are so tiny compared to the protons and neutrons that their mass is negligible. The carbon-12 molecule, which is still used as a normal today, comprises six protons and six neutrons for the atomic mass of twelve amu.

Atomic weight, unlike the weight of an object, has nothing to do with the force of gravity. It is a unit less value that is the ratio of the atomic mass of the naturally occurring isotopes of the element to that of the one-twelfth mass of the carbon-12. For elements such as beryllium or fluorine that have only one naturally occurring isotope, the atomic mass is equal to the atomic weight.

The relative atomic mass of the element is the weighted average of the mass of the isotopes on a scale where the carbon-12 atom has a mass of exactly 12 units.

Uses Of Phosphorus

  • There are four forms of phosphorous usually used these days: white, black, red, and violet.
  • It’s simple to spot phosphorus at position number fifteen on the periodic table just under nitrogen (N).
  • One can also find phosphorus in fireworks, fertilizers, and baking powder.
  • Phosphorus also plays a role in the making of steel.
  • Phosphates are also used in the production of fine chinaware and special glasses.

Health Effects of Phosphorus

Phosphorus can most commonly be found in the environment as phosphates. Phosphates are essential substances in the human body because they are part of DNA materials and contribute to the delivery of energy. Phosphates can also be commonly found in plants.

Humans have radically changed the supply of natural phosphate by adding phosphate-rich manure to the soil and by using phosphate-containing detergents. Phosphates have also been added to a number of foods, such as cheese, sausages and hams. Too much phosphate can cause problems with your health, such as kidney damage and osteoporosis. There could also be phosphate shortages. They are caused by extensive use of the medicine. Too little phosphate can cause problems with your health.

Phosphorus has a white color in its pure form. White phosphorus is the most dangerous source of phosphorus known to us. When white phosphorus occurs in nature, it can pose a serious risk to our health. White phosphorus is extremely toxic and, in many cases, it will be fatal.

Frequently Asked Questions – FAQs

What is the phosphorus element used for?

Phosphorus is a critical plant nutrient and its key use by phosphate compounds is in the manufacture of fertilizers. Even like there are biocarbon and nitrogen cycles, there is also a phosphorus cycle. Phosphorus is used in the manufacture of safety matches (red phosphorus), pyrotechnics and inflammatory shells.

What is unique about phosphorus?

Phosphorus is a poor conductor of heat and electricity, except for black phosphorus. All types of phosphorus are stable at room temperature. The white form (sometimes called yellow phosphorus) is similar to wax, the red and purple forms are non-crystalline solids, while the black allotrope is equivalent to graphite in pencil lead.

What is an example of phosphorus?

There are four common forms of phosphorus used today: white, black , red, and purple. Phosphorus can be easily found on the periodic table just below nitrogen ( N) at position 15. Phosphorus can be used in baking powder, fertilizers, and fireworks.

What are the main sources of phosphorus?

Phosphorus is found to be high in protein foods such as milk and milk products and meat and alternatives such as beans , lentils and nuts. Grains, in particular whole grains, provide phosphorus. Phosphorus is found in smaller quantities in vegetables and fruit.

What is phosphorus and why is it important?

The main function of phosphorus is the formation of bones and teeth. It plays an important role in the body’s use of carbohydrates and fats. It is also necessary for the body to make protein for the growth, maintenance and repair of cells and tissues.

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