Could anyone can me for this question i don’t understand how i can do? it really

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates

Difference between series and parallel circuits