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Chemisty is the study of ____________.

The identity of an element is determined by which of the following?

How many protons and electrons are in K+?

Imagine you could shrink and zoom into a sample of matter and see the particles (think Magic School Bus).  Which of the following might the sample of matter if this is what you saw?  

When applying mechanical intermittent compression therapy for the lower extremity, which of the following should be performed first?

You are presented with an unknown chemical element, which we’ll call X.  You react it with hydrogen and observe that it forms a compound, H2X.  To what group in the periodic table does X most likely belong? 

Which of the following is a true statement about atoms or our understanding of atomic structure?

The modern day periodic table is organized by increasing ________.

Which of the following is most likely a poor conductor of heat and electricity? 

On earth, it takes four of the smaller stones to balance the large rock in the structure shown below. About how many of the small stones would it take to balance the large rock if the apparatus was moved to the moon, where gravity is 1/6th that of of earth and why?