What is the density of a lego block that has 4 cm length, 2 cm width, 4.5 cm height, Mass 18 g.

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

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

Why do cells appear different in distilled water than they do in 10% salt water?