Introducción (2 puntos): Enumere al menos tres medios de análisis cualitativo que se utilizan para identificar metales. ¿Qué les sucede a los electrones cuando se calienta un elemento? Cuál es el significado de "estado excitado" de un átomo. Explique la diferencia visual entre los espectros de emisión y los espectros de absorción. Qué es la onda de longitud y cómo se relaciona con la energía. Referencias (0,5 ptos)

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

Which description best characterizes the motion of particles in a solid?