Which substances pass through a leaf's stomata?
select all that apply
phosphorus
nitrogen
oxygen
water
trace elements
carbon dioxide

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.

The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?