â George Mandler has described the origins of cognitive psychology in, Ulric Neisser is credited with formally having coined the term cognitive(2002). psychology (in terms of the current understanding of cognitive psychology) in his book Cognitive Psychology, published in 1967.
The melting point of fluorine is -219 Â°C (-363 Â°F). The boiling point of fluorine is -188 Â°C (-307 Â°F).
Silver has a melting point of 1,234.93 Kelvin and a boiling point of 2,435 Kelvin. It is a metal that is solid at room temperature and has a density of 10.501 grams per cubic centimeter. It has been used for more than 5,000 years and can be found today in silver ores and in deposits of lead, gold and copper ores.