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Rekha 33:
'''Potassium''' ek [[chemical element]] hae jiske [[symbol]] '''K''', [[atomic number]] 19 aur [[atomic mass]] 39.098 hae.
Potassium ke Sir Humphrey Davy, 1807 me, England me discover karis rahaa. Iske naam, English sabd "potash" (pot ashes) aur Arbii sabd "qali" meaning alkali se ais hae. Iske symbol, Latin sabs "kalium" se aais hae.
{{Periodic Table}}
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