How many unpaired electrons does a ground-state atom of Arsenic, Ge (element 32), have?

A system initially has an internal energy U of 519 J. It undergoes a process during which it releases 119 J of heat energy to the surroundings, and does work of 411 J. What is the final energy of the system, in J? Type your answer here.  No work needs to be submitted.  

Columbia signed a treaty giving the U.S. the right to construct and operate a canal.

___________________created worldwide turmoil resulting in the death of 20 to 40 million people.

Why did President Wilson create the Committee on Public Information (CPI)?

President Wilson engaged in U.S. foreign interventions.

The___________________ was the clearest statement of American war aims and vision for a new international order.

  Consider the element Te, atomic number 52.  Which electron configuration is correct for Te? Choose the letter of the correct answer. A) [Kr]5s25p64d8 B) [Kr]5s25d105p4 C) [Kr]5s24d105p6 D) [Kr]5s24f14 E) [Kr]5s24d105p4    

The energy of a photon of radiation is inversely proportional to the wavelength of the radiation.

What is the shape of an s orbital?