Why does the element carbon form a large number of carbon compounds?

30 how can diamonds be made artificially? How do synthetic diamonds differ from natural ones? 30 Give any two differences between the properties of diamond and graphite. What causes these differences? 31 Write down the structure and name of two isomers of butane (C₄H₁₀). 32 Give the name and structure formula of one member each of the following:

(i) alkane

(ii) alkene

(iii) alkyne

(iv) cycloalkane