1975 suppose that a molecule has the formula ab3. sketch and name two different shapes that this molecule may have. for each of the two shapes, give an example of a known molecule that has that shape. for one of the molecules you have named, interpret the shape in the context of a modern bonding theory

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under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?