My lecturer writes the following in his lecture notes: “ Covalent: Usually saturated, and usually form short scale structure (molecules), but can form strong giant structures too (e.g. diamond). e clouds distorted. One or more electron from each atom form -ve region between atoms.” What quantity is saturated for a covalent bond? Is it the binding force? What does saturation mean anyway (in this context)? What factors determine whether a covalently-bonded entity is short-scaled or giant? What is an electron cloud? And what does distortion mean in this context? Why is the electron cloud distorted? “ One or more electron from each atom form -ve region between atoms.” : What does this mean?