According to the Bohr model for the hydrogen atom, the energy of the atom is not continuous but has certain discrete enery, each of which is related to a fixed circularof the electron around the nucleus. The farther the electron is from the nucleus, thethe energy of the system.

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.