What causes a sharp increase in potential energy when two atoms approach more closely to one another then their ideal
bond distance?

A. Electrostatic repulsion between electron clouds
B. Gravitational force between the atoms
C. Electrostatic repulsion between nuclei
D. Electrostatic attraction between electrons and nuclei

The answer is c electrostatic repulsion between nuclei

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Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.