If 31.30 mL of 0.277 mol/L solution of hydrochloric acid are used to titrate 5.00 mL of aqueous ammonia, what is the concentration of the ammonia solution?

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.

Do polar molecules have ionic bonds?