What is the new number of moles in a sample that originally occupied 500L, with 2.50mol and then occupied 750L? *
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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

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity