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03-11-2016
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what are chemical properties for potassium

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Аноним Аноним

05-11-2016

Atomic number- 19
Atomic mass-39.0983 g.mol
Density- 0.86 g.cm at 0 ºC
Melting point-63.2 ºC
Boiling point- 760 ºV
Symbol- K (from kallium)

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