write down the quantity of pottasium manganese and oxygen in 250 g of pottasium permanganate
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Explanation:
Potassium is a 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
Atomic number: 19
Electron configuration: [Ar] 4s¹
Van der Waals radius: 280 pm
Melting point: 63.5 °C
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Answer:
write down the quantity of pottasium manganese and oxygen in 250 g of pottasium permanganate
Explanation:
KMn0⁴
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