Comsider the image below which shows a model of the conmpound known as hexane (C

Question

Comsider the image below which shows a model of the conmpound known as hexane (Cah). The large, represent carbon and the smaller, white spberes represent hydrogen darker spheres 29. The total number of valence electrons in bexane is a. 24 b. 14 ?. 38 d. 0 TRUE/FALSE Mark "A-for TRUE statements. Mark-B"for FALSE statements. 30. Positive ions are smaller than the atoms for which they form 31. A covalent compound generally consists of a metal and a nonmetal combination 32. Phospborus has 3 valence clectrons. 33. In chromatography, Re-distance traveled by the substance distance traveled by the solvent. MATCHING ! Consider the following terms. Use these to answer the questions #34-37. a. boiling b. melting d. sublimation e. freezing 34. 35. 36. 37. What term is given to the process where solids become liquid? What term describes solid carbon dioxide changing to gaseous carbon dioxide? Which process occurs when water droplets form on the outside of a glass of ice water? For liquid water, which process occurs at 100 ?? MATCHING II Consider the image given below which depicts bonds formed between two generic elements, X and Y Use these choices to answer questions #38-40. a. Choice 1 b. Choice2 c. Choice 3 38. If X was the element K (potassium) and Y the element O (oxygen), which type of bond would form? 39. Which bond type would represent that found in 1? 40. Which type of bond would be found in hydrochloric acid, HCL

Explanation / Answer

29. C (38), Here, carbon has valency of 4 and hydrogen has valency of 1. thus hexane consists of six carbons and 14 hydrogens. which is equal to 38.

30. A

31. B

32. B

33. A

34. b

35. d

36. c

37. a

38. c

39. a

40. b

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