Potassium is the chemical element with the symbol K and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. Wikipedia
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Potassium is the chemical element with the symbol K and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. Wikipedia
Symbol: K
Atomic mass: 39.0983 u
Van der Waals radius: 280 pm
Atomic number: 19
Boiling point: 758.8 °C
Electronegativity: 0.82
Electron configuration: [Ar] 4s¹.
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plasmolysisplasmolysis is the process in visual cell contains away from the cell and cells shrink because water concentration is higher inside the cell and outside lower ...r u a moderator divu?