The following reaction shows sodium hydroxide reacting with sulfuric acid

What happens to energy in an open system?

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?