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Potassium

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by

jaydon quail

on 6 November 2013

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Transcript of Potassium

Potassium
Electrons
19
There are

19

electrons on the

Bohr-Rutherford diagram of potassium
Atomic Mass
39.0983
The atomic mass of potassium is
39.0983

Number of Electrons on each shell
Level # 1- maximum
2
level # 2- maximum
8
level # 3- maximum
8
level # 4- maximum
18
How you get the mass
You subtract the atomic mass with the atomic number

Ex; 19-39.0983
The Atomic Number is
19
Atomic Number
Bohr-Rutherford diagram for potassium
what potassium is
Soft silvery-white alkali metals that oxidizes in air and is very reactive with water. Once in contact with water it will create a flame. Potassium in nature occurs only in ionic salts is found in dissolved sea water (0.04% potassium by weight). potassium ions are necessary for the function of all living cells. Key mechanism in nerve transmission and potassium depletion in animals including humans result in various cardiac dysfunctions potassium accumulates in plant cells and fresh fruits and vegetables
physical properties
potassium has 19 electrons which is one more that the extremely stable configuration of argon. potassium is more likely to loose an extra electron than to gain one. potassium is the second least dense metal after lithium soft sold with a low melting point
Chemical properties
extremely active metal which reacts violently with oxygen and water in air. with oxygen it converts to potassium peroxide. with water potassium hydroxide
creation and occurrence
Potassium does not occur in nature because it acts violently with water. Potassium makes up 2.6% of the weight of the earths crust. granite contains 5% Potassium
Biochemical Function
We need potassium for our brain and nerve function. Potassium is in milk and juices and fresh fruit and vegetables
Full transcript