5) Which property of the carbon atom gives it compatibility with a greater number of different elements than any other type of atom? A) Carbon has 6 to 8 neutrons. B) Carbon has a valence of 4. C) Carbon forms ionic bonds. 6) How many electron pairs does carbon share in order to complete its valence shell? 7) What type(s) of bond(s) does carbon have a tendency to form? B) They were processed into sugars through photosynthesis. A) They were incorporated into organic molecules by plants. 8) Which of the following is (are) true about the carbon atoms present in all organic molecules? A) They were incorporated into organic molecules by plants. B) They were processed into sugars through photosynthesis. C) They are ultimately derived from carbon dioxide. D) Only A and C are correct. E) A, B, and C are correct. 9) What is the reason why hydrocarbons are not soluble in water? A) The majority of their bonds are polar covalent carbon to hydrogen linkages. B) The majority of their