In the following unbalanced reaction, which is a conjugate acid-base pair? H3PO3 (aq) + H2O (l) --> H3O+ (aq) + PO33- (aq)

What is the equilibrium constant of aa+bb=cc+dd

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

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.