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Hace 14 horas · 10 6: mega-(MJ) 1×10 6 J: Kinetic energy of a 2 tonne vehicle at 32 metres per second (115 km/h or 72 mph): 1.2×10 6 J: Approximate food energy of a snack such as a Snickers bar (280 food calories): 3.6×10 6 J = 1 kWh (kilowatt-hour) (used for electricity) 4.2×10 6 J: Energy released by explosion of 1 kilogram of TNT: 8.4×10 6 J: Recommended food energy intake per day for a moderately ...
Hace 14 horas · v. t. e. Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like iodine. Physically, they are usually lighter (less dense) than metals; brittle or crumbly if solid; and often poor conductors of heat and electricity.
