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Which chemical element has the symbol 'K'?
Krypton
Potassium
Calcium
Carbon
Potassium
The chemical element with the symbol 'K' is Potassium. Its symbol is derived from the neo-Latin word 'kalium', which originates from the Arabic word for plant ashes.
The chemical element with the symbol 'K' is Potassium. Its symbol is derived from the neo-Latin word 'kalium', which originates from the Arabic word for plant ashes.
Potassium is so reactive with moisture that it must be stored under oil, similar to how sodium is kept isolated from air and water.
Remember 'K' stands for Kalium to link the symbol to its historical name.
Potassium is an alkali metal in Group 1 of the periodic table with an atomic number of 19. It has a single valence electron which it readily loses to form the K+ ion, making it highly reactive.
Atomic number: 19
Group: 1 (Alkali metals)
Symbol source: Latin name 'Kalium'
Agricultural fertilizers
Cellular electrolyte regulation in living organisms
Krypton has the chemical symbol Kr.
Calcium has the chemical symbol Ca.
Carbon has the chemical symbol C.
B is correct тАФ Potassium has the chemical symbol 'K' derived from kalium.
Make sure to memorize elements with Latin-derived symbols such as Na, K, Fe, Cu, and Ag, as these are frequently tested in RRB and other competitive exams.