The graph shows how the use of minerals has increased in the United States over the last century. Based on the data in the graph, what is one change that people can make to reduce the amount of new mineral materials being
extracted and used?

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

Explain what happens at the saturation point when adding salt to water at room temperature.

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the