How much energy is necessary to place three charges, each of 5.0 μc, at the corners of an equilateral triangle of side 2.5 cm?

I’m not sure about this question

  bv hb ouj bv gv gtrxr

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.