Write the balanced chemical equation for the synthesis of magnesium phosphide from its elements, including the word "energy" as a product.

a. write the Keq expression for the reaction

Which best describes why nh4+ can form an ionic bond with cl-?

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next