Which best describes valence electrons? A. all the electrons in an atom
B. the electrons closest to the nucleus
C. the electrons in the outermost orbital

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

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.

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions