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. Type: element. Description: Gallium (Ga) is a soft, silvery metallic element. Solid gallium has such a low melting temperature (85.6 Â°F, 29.8 Â°C) it will turn to liquid when held in the hand.It is a liquid over a wider range of temperatures than any other element. The boiling point of gallium is unusually high (3999 Â°F, 2204 Â°C).allium. Type: element. Description: Gallium (Ga) is a soft, silvery metallic element. Solid gallium has such a low melting temperature (85.6 Â°F, 29.8 Â°C) it will turn to liquid when held in the hand.