0 1 2 3 cm Which of these is the most accurate thickness of a single piece of cardboard? O 0.25 cm O 0.5 cm O 2.5 cm 5 cm

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.