Which characteristic(s) makes ions compounds useful as a building material? low melting and boiling points harness and brittleness inability to conduct electricity inability to dissolve in water

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque