Which of these is the correct ranking of elements by increasing electronegativity?*

A. Ra, Ag, Ge, Br

B. Ag, Br, Ra, Ge

C. O Br, Ag, Ra, Ge

D. O Ge, Br, Ra, Ag

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds