Which of the following temperatures and pressures are used as standards for gases? 0 degrees celsius, 1 atm 10 degrees celsius, 1 atm 25 degrees celsius, 1 atm 5 degrees celsius, 1 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.