OPEN ENDED QUESTION
How many moles of sodium is 6.482 x 1023 atoms of
sodium?

What elements have 2 electrons inthe 4s sublevel

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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