Chemical Element

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by GracieOcock
Last updated 3 years ago

Discipline:
Science
Subject:
Chemistry

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Chemical Element

Atomic Number: 19Atomic Mass: 40Protons: 19 Electrons: 19Neutrons: 39Melting Point: 63.65°CBoiling Point: 774.0°CState of Mater: solid

PotassiumSymbol:

HOW DO WE OBTIAN POTASSIUM?Most potassium is obtained from evaporate salt deposits containing potassium chloride. It is also obtained from the minerals alunite and carnallite. Potassium also can be obtained from the electrolysis of potash.

WHAT IS POTASSIUM USED FOR?Potassium is a mineral that plays many roles in the body. Food sources of potassium are fruits, cereals, beans, milk, and vegetables. Potassium is used for treating high blood pressure and preventing strokes. It is also in fertilizers and fireworks

HISTORYThe name Potassium comes from a substance called Potash. Humphry Davy discovered potassium in 1807. Potassium is never found by itself in nature. It is always bonded to other elements. It is one of the softer metals with a silver color.

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HOW LONG HAVE WE USED POTASSIUM?Since 1807 when Humphry Davy isolated potassium for the first time. He electrolyzed dried potassium hydroxide also known as potash, which had been slightly moistened.

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