PLEASE HELP! Chemistry! Can anyone help find me the answer key if there is one? Or explain to me what number of bonding sides around of central atom means? And Coordination # of electron sites around the central atom?

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

If maltose undergoes hydrolysis what subunits does it results to?

An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost