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Transcript of Potassium
Atomic Symbol: K
Atomic Mass: 39.098 Potassium can be found in vegetables, fruit, potatoes, meat, bread, milk and nuts. It can also be found in our bodies. Potassium aids the function of the nerves, allowing the brain to transmit information to the muscles. But too much can lead to a heart attack. Potassium is also found in almost every kind of fertilizer to help plants grow. Potassium chloride in the U.S. is used in lethal injections to kill death row prisoners. Currently found in... Silver Color 25 C (77 F) Room Temperature Melting Point: 63.38 C (146.08 F)
Boiling Point: 759 C (1,398.2 F) Melting and boiling point Alkali Metal Period 4
Group 1 Density: 0.856 g/cm 3 Atomic Radii 227 pm How it is commonly used... Almost all of the potassium in the world is used in fertilizers. When it is combined with chloride it is put in lethal injections. Potassium is an important mineral for the proper function of all cells, tissues, and organs in the human body. It is important for our bodies to have because it helps send information to the muscles from our brains. Why it is important... P=19
N=20 Isotopes There are 17 different isotopes of potassium. Potassium only has two stable isotopes (K-39 and K-41), but the long-lived radioisotope K-40 is often also regarded as a stable isotope. Potassium isotopes, mainly K-40 and K-41, are used to study the impact of potassium on the growth of plants. 5 interesting facts... Potassium is so soft that you can cut it with a knife. Potassium reacts violently to water and produces hydrogen. During the process, there is enough heat generated to ignite the hydrogen. When it is burned, the flame is a light purple. It is the second lightest metal after lithium. Thanks for listening!
Are there any questions? *potash- comman name for various mined and manufactored salts. SOILD