What must you know to solve Keller’s third law the law of periods

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering