The partial pressures of the gases in a mixture are 0.875 atm o2, 0.0553 atm n2, and 0.00652 atm ar. what is the total pressure of the mixture? a. 0.813 atm b. 0.937 atm c. 0.000315 atm d. 0.875 atm

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.