Dual coding theory has been applied to many cognitive phenomena including: mnemonics, problem-solving, concept learning and language. Dual coding theory accounts for the significance of spatial abilities in theories of intelligence (e.g., Guilford).
Properties. 1  Atomic Symbol: Cr. 2  Atomic Number: 24. 3  Atomic Mass: 51.996g/mol1.  Element Category: Transition 1  Metal. Density: 7.19g/cm3 at 20Â° C. Melting Point: 3465Â°F 1  (1907Â°C) Boiling Point: 4840Â°F (2671Â° C) Mohâs Hardness: 5.5.
Gallium (Ga, element 31), with a melting point of 85.60 Fahrenheit (29.80 Celsius), and cesium (Cs, element 55), with a melting point of 830 Fahrenheit (28.40 Celsius), are liquids at slightly above room temperature. Source(s): http://www.enotes.com/science-fact-finde...