Sketch the repeat structure for each of the following alternating copolymers: (a) poly(ethylenepropylene), (b) poly(butadiene-styrene), and (c) poly(isobutylene-isoprene)

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

The element that has the greatest electronegativity is

At element makes up all organic compounds?