Two balloons are charged with an identical quantity and type of charge: -0.0025 C. They are held apart at a separation distance of 8 m.
a. Determine the magnitude of the electrical force.
b. Do the balloons attract or repel?

The correct answer is c

  cxrcvbnmbhjtyrtdhfxbv nbmkhturytdsfxc gfxcbmgv vv fgcbvc

Is there any opitions? if you have the periodic table, the noble gases are 8a family, the halogen are the 7a family, and the nonmetal are  carbon, nitrogen, phosphorus, oxygen, sulfur, selenium, fluorine, chlorine, bromine, iodine and astatine.