Negatively charged particles in the outermost energy levels of the electron cloud are called what

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

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?