Do hydration shells (from water) form hydrogen bonds with the substances they are dissolving?
i know that hydration shells work inward from the surface of a substance to dissolve it, but does this dissolving process come from hydrogen bonds?
pls

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Name the element in group 17, period 2. (periodic table)