Answer:
not sure if this us right but oxygen and fluorine? I learned chem but I forgot about it kinda sorry
Because chloride is more reactive than hydrogen.
It is supposed to protect the cell from it's surroundings, or from the outside.
Answer:
A crystalline solid
Explanation:
Most solids form with a regular arrangement of their particles because the overall attractive interactions between particles are maximized, and the total intermolecular energy is minimized, when the particles pack in the most efficient manner. The regular arrangement at an atomic level is often reflected at a macroscopic level. Liquids dont use to have this kind of arrangements or shapes.
