Chemical Symbol: K
Atomic Mass: 39.0983 atomic mass units
Number of Protons: 19
Number of Neutrons: 20
Number of Electrons: 19
Family: Alkali Metals
Group: 1 IA
Texture: Pure potassium is a soft, waxy metal that can be easily cut with a knife.
Density: 0.89 grams per cubic centimeter
Phase at room temperature: Solid
Melting point: 146.08 degrees Fahrenheit (63.38 degrees Celsius)
Boiling point: 1,398 degrees Fahrenheit (1,032 degrees Celsius)
Number of isotopes (atoms of the same element with a different number of neutrons): 29; 3 naturally occurring
Most common isotopes:
• K-39 (93.3 percent natural abundance),
• K-40 (0.0117 percent natural abundance)
• K-41 (6.73 percent natural abundance)
Substances containing potassium have a purple flame.
Oxidation: Rapidly oxidizes in air
Alloys: Potassium can be alloyed with sodium as cooling medium in nuclear reactors
Last Known Whereabouts
Potassium is highly reactive!
Potassium reacts with all acids and with all non-metals, such as sulfur, chlorine, fluorine, phosphorus, and nitrogen. It is highly or explosively reactive and catches on fire when exposed to water. Also, when Potassium is exposed to water, it explodes with a purple flame. For this reason it is often stored under mineral oil for safety.
It likes to form compounds with the following buddies:
Combines with Chloride to form- Potassium Chloride (KCl)
Combines with Fluoride to form -Potassium Fluoride (PF)
Combines with Bromide to form -Potassium Bromide (KBR)
Combines with to form Potassium Cyanide (KCN)
Combines with Potassium to form Potassium Carbonate (K2CO3)
Potassium reacts with oxygen to form potassium superoxide (KO2). It also reacts with water to form potassium hydroxide (KOH), hydrogen gas and heat.
In fact, enough heat is produced to ignite the hydrogen gas. To prevent it from reacting with the oxygen and water in the air, samples of metallic potassium are usually stored submerged in mineral oil.
Potassium forms an alloy with sodium (NaK) that is used as a heat transfer medium in some types of nuclear reactors. Which produce energy.
Potassium also forms many important compounds. For example, Potassium chloride (KCl) is the most common potassium compound. It is used in fertilizers.
Potassium hydroxide (KOH) is used to make soaps, detergents and drain cleaners.
Potassium carbonate (KHCO3), also known as pearl ash, is used to make some types of glass and soaps.
Potassium superoxide (KO2) can create oxygen from water vapor (H2O) and carbon dioxide (CO2). It is used in respiratory equipment and is produced by burning potassium metal in dry air.
Everyday Items that contain Potassium:
Helps human metabolism
Report on First Arrest:
Arresting Officer/Date of Arrest
The element Potassium was discovered in 1807 by an English man named Sir Humphrey Davy.
Potassium was the first elemental metal to be found through electrolysis. In electrolysis, an electric current is passed through a molten (melted) compound. The electrical current breaks the compound into its elements.
Origin of name Potassium came from the English word "potash" (pot ashes) and the Arabic word "qali" meaning alkali and the origin of the symbol K comes from the Latin word "valium".
Potassium is the seventh most abundant element on Earth. However, pure potassium is a highly reactive metal. Because it's so reactive, potassium isn't found free in nature. In fact, it is only found in ionic salts and in some minerals.
Methods Of Operation:
- The various compounds of Potassium have several uses.
- For example, Saltpeter (potassium nitrate) was used to preserve food in the Middle Ages and is part of gunpowder.
- Potassium alum (KAI(SO4)2) is used in deodorant. This is because it inhibits bacterial growth.
- Also, Potash, a generic term for any salt containing water-soluble potassium, is a major ingredient in fertilizers.
- In fact today, potash is mined, with 35 million metric tons pulled from the Earth each year.
- Potassium is also a necessary nutrient for life; as an electrolyte, it conducts electric signals in the body; along with sodium,
- It's crucial for proper muscle contraction.
- Potassium when combined with sodium is crucial for maintaining blood pressure and promotes regular heartbeat,
- Controls the water balance in body tissues and cells.
- The U.S. Department of Agriculture recommends that adults eat 4.7 grams of potassium a day, while the World Health Organization calls for a slightly lower intake of 3.5 grams.
Potassium can also be found hiding out inside certain foods
Orange Juice, Milk, Bananas, Squash,Soybeans and even Salmon
This Element is Deadly!!!!!
The drug potassium chloride is commonly used to treat potassium deficiency, but can also be deadly in high doses.
Potassium chloride has can be used in lethal injections because the drug stops the heart by disrupting the electrical signals that force the muscle to contract and relax.
It can also be used in explosives due to its highly reactive and explosive nature.