Answer:
hydrogen + oxygen = water
Answer:
Explanation:
so we have to solve it or just answer it?
If the moon did not rotate we would see all hemispheres of the moon as it revolves around the Earth and not just the phases.
Valence electrons are the electrons in the outermost shell of an element on the periodic table. Atoms want to be able to have a full outer shell and they can share or trade electrons in order to achieve this. Valence electrons are also super super important in chemical reactions. The number of valence electrons determines what group that specific atom or element is in on the periodic table. This affects the reactivity of the element.