En 12 g de carbono existen NA =6,022x1023 átomos de esta sustancia. Si contáramos un átomo por segundo, ¿Cuánto tiempo en años tardaríamos en contar los átomos de 1 g de carbono?

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g

Five renewable energy resources are wind, sunlight, moving water and geothermal energy. question 2 options: true false