If the available number of valence electrons for a molecule or polyatomic ion does not complete all of the octets in a lewis structure what should you do

On a distance vs time graph the line of an object at rest is a

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?