True or false: The higher the concentration of a substance in a chemical reaction, the faster the reaction rate will be

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?