Calculate the number of molecules present in 2.50 mol H2S? A. 1.51 x 10^24 molecules

B. 2.50 x 10^23 molecules

C. 1.5 x 10^23 molecules

Elements that do not have full outer electron shells will donate, share, or take electrons from other atoms. choose the items that have the correct binary ionic formula.

What three things determine the shape and size of a puddle when water is poured out onto a surface

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.