Question

Describe the physical and chemical properties of the element Potassium. This should include the reactivity, malleability, strength, melting point,

density, and flammability of the element

Answer 1

Symbol: K Atomic number: 19 Atomic weight: 39.0983 Classification: Alkali metal Phase at room temperature: Solid Density- 0.86 grams per cubic cm. Melting point:63.38° C or 146 .08° F Boiling point:759°C or 1398° F Malleability: High Ductility: High Reactivity with water: It reacts violently with water and gives off hydrogen gas Reactivity: It reacts readily with all acids and with all non metals. Flammability: Easily ignited by gentle heating and will burn vigorously with a characteristic flame of lilac color.