Pericarditis often produces a high-pitched sound that can be heard on auscultation. What is this sound called?

Based on the sonographic findings, what pathology should be suspected?

Classify each characteristic as that belonging to a cation or an anion.  Write the term “cation” or “anion” in the appropriate box.   [a1]  Can be formed by metals [a2]  Have more electrons than protons [a3]  Type of ion formed by elements in group 6A [a4]  Type of ion formed by elements in group 1A

Classify each of the following as either an element, a compound or a mixture.  An answer may be used once, more than once or not at all.  However, there is only one correct answer for each.   [a1]  NH3 [a2]  He [a3]  C60 [a4]  Milk

This question is Extra Credit.  It is worth one point. What is the name of the full-time chemistry academic coach at the EXCELerator?  

What type of energy has a wavelength of 1×10-9 m? 

Convert 184.0 mL to L 

This question is Extra Credit.  It is worth three points. The diameter of a sphere 865.370 miles and has a mass of 1.989×109 kg.  Calculate the density of the sphere in . Answer: [a1]  

Your patient presents with symptoms of fatigue, cough, and palpitations. The following image was obtained, as well as the Doppler tracings. The overall assessment reveals HFpEF. Which cardiomyopathy should be suspected?

Classify each of the following as each as belonging to a period, a group or is not found in the periodic table.  An answer may be used once, more than once or not at all.  However, there is only one correct answer for each. [a1]  Vertical arrangement of elements in the periodic table [a2]  Horizontal arrangement of elements in the periodic table [a3] Elements with similar chemical properties [a4]  Mass number