the melting point of oxygen is -3618f / -2188c / 544k
composition_of_earth is 28_percent_oxygen. oxygen_molecule is oxygen. oxygen is flammable_gas. boiling_point_of_water is 212_degrees_farenheit. oxygen is oxygen. boiling_point is temperature. dissolved_oxygen is natural_decomposition_product_of_h2o2. plutonium has melting_point_of_639.5_deg boiling_point is temperature_at.