Potassium

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by AnastasiaEdmundsMMS
Last updated 5 years ago

Discipline:
Science
Subject:
Chemical Elements
Grade:
6

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Potassium

3 main uses:1) Potassium is used mostly in plant fertilizers. Potassium in the fertilizers, however is Potassium chloride, KCI. It is used for this because it is very helpful to plant growth.2) It is used for everyday items such as, soap, detergent, batteries and dyes. Also it is used for gunpowder, gold mining, and glass production.3) Also potassium is used in our bodies. It helps prevent kidney stones and is used for muscle contraction (a process where tension is developed in the muscle tissue), fluid and pH balance and healthy bones. Potassium is the eighth most abundant element in humans.

Origin of name:The word, potassium, comes from the word potash (salt that it was first found in) and the latin word for it, kalim. (Also where the chemical symbol comes from)

POTASSIUM

Chemical symbol:

Atomic number:

Atomic mass:

Group in the periodictable:1

Period in the periodictable:3

Standard state:SOLID

Classification:Alkali metalColor:Silvery-white

Discovering potassium:Potassium was discovered by Sir Humpfry Davy in 1807.

Where potassium is found:Like sodium potassium also reacts with water and air so in nature it is only found in minerals (most minerals like these are called potash). It can also be in the ocean where its the 8th most abundant element.

FactsIt is so light that it can float in water. It is also the second least dense metal.

FactsKCI (potassium chloride) is used as table salt sometimes. it can tast salty when there is a larger amount and sweet with a smaller amount.

FactsWhen potassium is burned it produces a purple-lilac color. (Most of the time potassium is there somewhere when this happens)It also has a very low melting point.

FactsIn a cubic foot of sea water there is nearly half a kilogram of potassium oxide.

FactsIt used to be collected from ashes of trees and plants (which has potassium carbonate and other compounds) but, now it is obtained from salt beds and underground rock deposits.

"Elements for Kids." Chemistry for Kids: Elements. Technological Solutions, Inc, Apr. 2014. Web. 23 Apr. 2014. Knapp, Brian. Sodium and Potassium. Vol. 2. Danbury, CT: Grolier Educational, 1996. Print. Elements. Blashfield, Jean F. Potassium. Austin, TX: Raintree Steck-Vaughn, 2001. Print.


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